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NHS Chemistry Final LBC Unit 1 Bank

Total questions: 150

Worksheet time: 13hrs 30mins

Name
Class
Date
1.

What is the name of the piece of lab equipment in the illustration? (a)  

Choose from the below words
watch glass
graduated cylinder
beaker
flask
2.

Which statement about the science of chemistry is correct?

a)

Chemistry is the study of living organisms and how they are classified.

b)

Chemistry is the study of matter and how matter can be changed.

c)

Chemistry is the study of different scientific hypotheses about movement.

d)

Chemistry is the explanation of the physical properties of a substance.

3.

How would a scientist determine if a gold colored penny is made of gold metal or if it is a fake?

a)

A scientist would guess based on previous knowledge of gold and similar metals.

b)

A scientist would never be able to determine if a gold colored penny is made of gold metal.

c)

A scientist would need to study the penny to see if has the physical and chemical properties of gold metal.

d)

A scientist can tell if a penny is made of gold metal by looking at the penny.

4.

Which is an example of matter?

a)

a cloud

b)

an opinion

c)

sound

d)

a concept

5.

You have four metal cylinders, each with the same diameter (d). Which rod has the largest volume?

Vcylinder=πr2h = π×(d/2)2×h

a)

A 5 cm high (h) gold rod that weighs 55.4 g

b)

A 2 cm high (h) gold rod that weighs 11.1 g

c)

A 10 cm high (h)silver rod that weighs 35.6 g

d)

A 5 cm high (h)silver rod that weighs 17.6 g

6.

Which statement is true about measuring the volume of an object by displacement with water?

a)

Two objects that are the same volume will displace the same amount of water even if they have different masses.

b)

Heavier objects displace more water than lighter objects when submerged in water.

c)

Two objects with different volumes but the same mass will displace the same amount of water.

d)

An object does not have to be fully submerged in the water in order to measure its volume by displacement of water.

7.

What is the correct reading for the volume of water in the graduated cylinder below?

a)

16.0 mL

b)

17.0 mL

c)

18.0 mL

d)

19.0 mL

8.

What is the density of a liquid if the volume is 20 mL and the mass is 25 g?

a)

0.8 g/mL

b)

45 g/mL

c)

1.25 g/mL

d)

500 g/mL

9.

Which of these pieces of lab equipment would you use to measure the volume of a liquid most accurately?

a)
b)
c)
d)
10.

If two objects have the same mass, what must be true?

a)

The have the same volume.

b)

The are made of the same material.

c)

The contain the same amount of matter.

d)

The have the same density.

11.

Explain what you think will happen then Object Z (Density = 0.71 g/mL) is placed into this tank that contains kerosene (Density = 0.83 g/mL),

Vegetable Oil (Density = 0.91 g/mL), Water (Density = 1.00 g/mL) and Pancake syrup (Density = 1.4 g/mL)

4 lines
12.

This change is

a)

a chemical reaction

b)

a physical change

c)

a snowman's nightmare

d)

irreversible

13.

A copper penny turning greenish after a few years outside is an example of a

a)

Chemical Change

b)

Physical Change

c)

Small Change

d)

Centsless Change

14.

Identify the equipment shown here:

a)

Cup

b)

Flask

c)

Beaker

d)

My friend posted in TikTok that I should choose this one, but it doesn't seem right.

15.

Identify the equipment shown here:

a)

Flux capacitors

b)

Buckets

c)

The rainbow experiment

d)

Graduated cylinders

16.

If an object has a density of .6 g/mL and you put it into water, will it sink or float?

a)

sink

b)

float

17.

If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?

a)

sink

b)

float

18.

Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?

a)

8 g/cm3

b)

2 g/cm3

c)

1/2 g/cm3

d)

24 g/cm3

19.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
20.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
21.

I have two objects with the same volume but different masses. Which object will be more dense?

a)

The object with less weight.

b)

The object with more weight.

c)

The object with more mass.

d)

The object with less mass.

22.

What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?

a)

13.3 g

b)

13.3 cm3

c)

.075 g

d)

1695 cm3

23.

You calculated the density of an unknown substance to be 7.8g/cm3. According to the chart, which of the substances doe you most likely have?

a)

Zinc

b)

Copper

c)

Tin

d)

Iron

24.

You calculated the density of an unknown substance to be 5.7g/cm3. According to the chart, which of the substances do you most likely have?

a)

Personality

b)

Iron

c)

Tin

d)

Zinc

25.

When candle wax melts, it is a ___________________ change.

a)

chemical

b)

physical

c)

transparent

d)

undefined

26.

A candle wick burning is an example of a _________________________

a)

physical reaction

b)

condensation

c)

emotional reaction

d)

chemical reaction

27.

Look at the picture of two blocks made of different materials. If Block A is located on the moon, and Block B is located on Earth, which of the following is true about the two blocks?

a)

They have the same density

b)

They have the same weight

c)

They have the same mass

d)

They have the same volume

28.

What is the correct reading for the volume of water in the graduated cylinder below?

a)

14.8 mL

b)

12.6 mL

c)

13.2 mL

d)

14.6 mL

29.

Which statement describes the nucleus of an atom?

a)

The dense, positively charged structure found in the center of the atom.

b)

A particle with a negative charge found outside the nucleus of an atom.

c)

A particle that does not have a charge found in the nucleus of an atom.

d)

A particle with a positive charge found in the nucleus of an atom.

30.

Positive and negative charges are attracted to one another. Which of the following is attracted to a positive charge?

a)

a nucleus

b)

a neutron

c)

an atom

d)

an electron

31.

Examine the model of an atom below. The smallest spheres represent electrons. What information cannot be determined by looking at this model?

a)

the number of protons in the nucleus

b)

the size of the electrons and protons

c)

the number of electrons outside of the nucleus

d)

the number of neutrons in the nucleus

32.

An atom of carbon, C, has a mass of 13 amu. An atom of nitrogen, N, has the identical mass. How is this possible?

a)

Both have 6 protons and 7 neutrons.

b)

Both have 7 protons and 6 neutrons.

c)

They have different numbers of protons and neutrons.

d)

These atoms are isotopes of one another.

33.

Which of the following represents an isotope of fluorine, F?

a)
b)
c)
d)
34.

If you know the atomic number of an element, what information does it give you about neutral atoms of the element?

a)

the numbers of electrons, protons, and neutrons

b)

the number of protons only

c)

the number of neutrons only

d)

the numbers of electrons and protons

35.

As the mass number of an element’s isotopes of an element increases, the number of protons

a)

decreases.

b)

increases.

c)

remains the same.

d)

doubles each time the mass number increases.

36.

Chlorine has atomic number 17 and mass number 35. It has

a)

17 protons, 17 electrons, and 18 neutrons.

b)

35 protons, 35 electrons, and 17 neutrons.

c)

17 protons, 17 electrons, and 52 neutrons.

d)

18 protons, 18 electrons, and 17 neutrons.

37.

Positive and negative charges are attracted to one another. Which of the following is attracted to a positive charge?

a)

a nucleus

b)

a neutron

c)

an atom

d)

an electron

38.

An atom of carbon, C, has a mass of 13 amu. An atom of nitrogen, N, has the identical mass. How is this possible?

a)

Both have 6 protons and 7 neutrons.

b)

Both have 7 protons and 6 neutrons.

c)

They have different numbers of protons and neutrons.

d)

These atoms are isotopes of one another.

39.

Chlorine has atomic number 17 and mass number 35. It has...

a)

17 protons, 17 electrons, and 18 neutrons.

b)

35 protons, 35 electrons, and 17 neutrons.

c)

17 protons, 17 electrons, and 52 neutrons.

d)

18 protons, 18 electrons, and 17 neutrons.

40.

Which of the following is the Bohr Model for Fluorine, element #9?

a)
b)
c)
d)
41.

Select the two particles that you can find in the nucleus of an atom?

a)

Electrons

b)

Protons

c)

Neutrons

d)

Flargens

42.

Which element is shown in this Bohr Model?

a)

Potassium, element # 19

b)

Gallium, element # 31

c)

Oxygen, element # 16

d)

Phosphorus, element # 15

43.

What element has 32 protons, 32 electrons, and 41 neutrons?

a)

Gallium

b)

Germanium

c)

Arsenic

d)

Selenium

44.

What is the atomic number of a Yrrtriumatom with a mass of 89 amu and 50 neutrons?

a)

89

b)

50

c)

39

d)

139

45.

What are the vertical columns on the periodic called?

a)

groups

b)

periods

c)

nonmetals

d)

metals

e)

metalloids

46.

What are the horizontal rows on the periodic table called?

a)

periods

b)

groups

c)

metals

d)

nonmetals

e)

metalloids

47.

How many protons and electrons does nickel have?

a)

28

b)

58.69

48.

What is the atomic mass of nickel?

a)

58.693

b)

28

49.

How do you find the number of Neutrons in an atom?

a)

# of neutrons = (#Protons) - (Atomic Number)

[number of neutrons= the number of protons minus the atomic number]

b)

# of neutrons = (Atomic Number) - (#Protons)

[number of neutrons = the atomic number minus the number of protons]

c)

# of neutrons = (# Protons) + (#electrons)

[number of neutrons = the number of protons + the number of electrons]

d)

# of neutrons = the atomic number

50.

Where are electrons located in an atom?

a)

Outside the nucleus

b)

Inside the nucleus

c)

Electrons don't exist in atoms

51.

Which subatomic particles are in the nucleus? Check all that apply.

a)

Electrons

b)

Neutrons

c)

Protons

d)

None of the above

52.

What family in the periodic table is the most reactive?

a)

Alkali Metals (Group 1)

b)

Alkaline Earth Metals (Group 2)

c)

Halogens (Group 17)

d)

Noble Gases (Group 18)

53.

Which family on the periodic table is the least reactive?

a)

Alkali Metals (Group 1)

b)

Alkaline Earth Metals (Group 2)

c)

Halogens (Group 17)

d)

Noble Gases (Group 18)

54.

How do you find the number of neutrons in an atom?

a)

It is the same as the atomic mass.

b)

It is the same as the atomic number.

c)

Round the atomic mass and subtract the number of protons.

d)

You guess.

55.

What is the law of conservation of mass?

a)

Mass cannot be created nor destroyed in a chemical reaction.

b)

Mass can be created but not destroyed in a chemical reaction.

c)

Mass can be destroyed but not created in a chemical reaction.

d)

Mass can be created and/or destroyed in a chemical reaction.

56.

What is the correct formula of magnesium sulfide?

a)

MgSO4

b)

MgS

c)

MgSO3

d)

Mg2S2

57.

What is the correct formula of potassium oxide?

a)

KO

b)

KO2

c)

K2O

d)

K2C2O4

58.

What is the correct formula of strontium hydroxide?

a)

SrH

b)

SrOH

c)

Sr(OH)2

d)

SrH2

59.

What is the correct name of Cs3N?

a)

cesium nitrate

b)

cesium nitrite

c)

cesium nitride

d)

tricesium nitride

60.

What is the correct name of CuClO2

a)

copper chlorate

b)

copper chlorite

c)

copper chloride

d)

copper chloroxide

61.

What is the correct name of BeBr2?

a)

Beryllium bromide

b)

Beryllium dibromide

c)

Beryllium bromate

d)

Beryllium bromite

62.

What is the correct name of Mg(C2H3O2)2?

a)

magnesium acetate

b)

magnesium carbohydroxide

c)

magnesium glucose

d)

magnesium diacetate

63.

How many atoms of strontium are in Sr3(PO3)2

a)

2

b)

3

c)

5

d)

6

64.

How many atoms of oxygen are in Sr3(PO3)2

a)

2

b)

3

c)

5

d)

6

65.

Which substance do you predict will dissolve in water?

a)

Al (s)

b)

SiO2 (s)

c)

Cu(s)

d)

CaCl2(s)

66.

Which of these compounds will not dissolve at all in water?

a)

Al (s)

b)

SnF2 (s)

c)

Fe2(SO4)3(s)

d)

CaCl2(s)

67.

Which of these is the best description of a metal?

a)

soluble in water, conductive

b)

soluble in water, nonconductive

c)

insoluble in water, conductive

d)

insoluble in water, nonconductive

68.

Based on their chemical structures, which of these materials is likely to be soluble in water?

a)

C (s) (diamond)

b)

C20H42(s)

c)

Fe(s)

d)

Ba(NO3)2(s)

69.

What type of bonding has the following properties:

Can dissolve in water.

Tend to be solids.

Can conduct electricity when dissolved in water.

a)

Metallic

b)

Ionic

c)

Molecular Covalent

d)

Network Covalent

70.

Which of the following substances will dissolve in water?

a)

Ca

b)

NO2

c)

Si

d)

CH4

e)

CuSO4

71.

Select which of the following statements are true.

a)

Copper(II) sulfate, CuSO4, does not dissolve in water.

b)

Glass, made of silicon dioxide, SiO2, does not dissolve in water.

c)

Ethanol, C2H6O, dissolves in water but does not conduct electricity.

d)

Brass, also called copper zinc, CuZn, conducts electricity.

e)

Pure iron, Fe, dissolves in water.

72.

What kind of bonding is represented by this picture?

a)

Ionic

b)

Molecular Covalent

c)

Metallic

d)

Network Covalent

73.

Which statement is true about aqueous (it has been dissolved in water) aluminum chloride?

a)

Aqueous aluminum chloride is a substance containing nonmetal atoms only. When dissolved in water, aluminum chloride will conduct electricity.

b)

Aqueous aluminum chloride is a substance containing metal and nonmetal atoms. When dissolved in water, aluminum chloride will not conduct electricity.

c)

Aqueous aluminum chloride is a substance containing nonmetal atoms only. When dissolved in water, aluminum chloride will not conduct electricity.

d)

Aqueous aluminum chloride is a substance containing metal and nonmetal atoms. When dissolved in water, aluminum chloride will conduct electricity.

74.

What type of bonding is found in ammonia, NH3(s)?

a)

Ionic

b)

Metallic

c)

Molecular covalent

d)

Network covalent

75.

Sugar is an example of a compound that is held together by molecular covalent bonding. Therefore, sugar is _____.

a)

bendable and malleable

b)

durable, rigid, and difficult to break

c)

relatively easy to separate into smaller pieces

d)

hard but brittle, fracturing along planes

76.

Elements on the LEFT side of the periodic table will most likely form:

a)

Positive ions

b)

Negative ions

c)

Neutral Ions

d)

None of these

77.

An ionic bond forms when atoms ___________ electrons.

a)

gain

b)

share

c)

increase

d)

transfer

78.

Which type of bond has an equal sharing of electrons?

a)

Coordinate Hybrid

b)

Non Polar Covalent

c)

Ionic

d)

Metallic

79.
Chemical bonds form when atoms
a)
combined nuclei
b)
give up neutrons
c)
gain protons
d)
share or transfer electrons
80.

If an atom loses two electrons what charge will it have?

a)

+ 2

b)

- 2

c)

+1

d)

-1

81.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
82.

Which type of bond creates a "pool" of electrons between atoms?

a)

Ionic Bonds

b)

Covalent Bonds

c)

Metallic Bonds

d)

Saving Bonds

83.

Which of the following is an example of an IONIC COMPOUND?

a)

NaCl

b)

H2O

c)

CO2

d)

NO

84.

Which of the following is an example of a COVALENT COMPOUND?

a)

H2S

b)

KI

c)

CaCl2

d)

MgO

85.

Which category of elements have the property of being malleable and ductile?

a)

gases

b)

metals

c)

metalloids

d)

nonmetals

86.

Outer shell electrons are called

a)

outer electrons

b)

valence electrons

c)

negatives

87.

What if the formula for this molecule ?

a)

CO

b)

CO2

c)

C2O

d)

C2O2

88.

What do positive ions tend to do?

a)

lose electrons

b)

gain electrons

c)

lose protons

d)

gain protons

89.

What category of element usually forms a positive ion?

a)

Metals

b)

Nonmetals

c)

metalloids

d)

Noble gases

90.

Which category of elements usually form negative ions?

a)

metals

b)

nonmetals

c)

metalloids

d)

noble gases

91.

Electrons in the outermost shell are called

a)

Space Cadets

b)

I do not know and do not want to guess.

c)

Valence Electrons

d)

Orbital Electrons

92.

This animation is showing which of the following?

a)

A conductive compound

b)

A soluble compound

c)

An insoluble compound

d)

A nonconducting compound

93.

This animation is showing which of the following?

a)

A conductive compound

b)

A malleable compound

c)

An insoluble compound

d)

A nonconducting compound

94.

This animation is showing which of the following?

a)

A conductive compound

b)

A soluble compound

c)

An insoluble compound

d)

A nonconducting compound

95.

What is the atomic mass of Neon?

a)

10

b)

20.18

c)

10.18

d)

20

96.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
97.

What is the atomic mass of Copper?

a)

63.546

b)

29

c)

29.546

d)

92

98.

What is the atomic mass of Gold?

a)

79

b)

196.97

c)

79.97

d)

275

99.

What is the atomic mass of Hydrogen?

a)

1.008

b)

2

c)

1

d)

0

100.

How many electrons does an atom of Krypton have?

a)

36

b)

83.798

c)

47.798

d)

119.798

101.

What does the top number, 3, in this picture represent?

a)

Mass Number

b)

Atomic Number

c)

Atomic Mass

d)

Number of Neutrons

102.
DIFFERENT kinds of atoms chemically combined to form a substance are
a)
Mixture
b)
Element
c)
Compound
d)
Substance
103.

Which subatomic particle determines the charge of an atom?

a)

protons

b)

neutrons

c)

electrons

104.

Which subatomic particle determines the identity of an element?

a)

protons

b)

neutrons

c)

electrons

105.
The tool used to measure the mass of a substance or object is a ______________.
a)
balance
b)
graduated cylinder
c)
ruler
d)
thermometer
106.

Which of these is the formula for density?

a)

density = mass x volume ( D = m x V )

b)

density = mass / volume ( D = m/V )

c)

density = mass + volume ( D = m + V )

d)

density = mass - volume ( D = m - V )

107.

GRAB A CALCULATOR!!

Jermaine has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?

a)

8 g/cm3

b)

2 g/cm3

c)

0.5 g/cm3

d)

24 g/cm3

108.

GRAB A CALCULATOR!!

Juliana has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?

a)

3 g/cm3

b)

0.33 g/cm3

c)

27 g/cm3

d)

39 g/cm3

109.

Grab a calculator!

What is the volume of Object X?

Volume of just the water: 65 cm3

Volume of the water and Object X: 90 cm3

a)

155.0 cm3

b)

15.0 cm3

c)

1.38 cm3

d)

25.0 cm3

110.

Grab a calculator!

A crayon has a mass of 10g and volume of 5 mL. What is the density?

a)

30 g/mL

b)

15 g/mL

c)

1 g/mL

d)

2 g/mL

111.

What is mass defined as?

a)

how much matter "stuff" is inside an object

b)

the pull of gravity

c)

length, width, heighth

d)

an estimation

112.
If a substance has a large mass and a small volume, what can you conclude about it?
a)
It's very dense
b)
It will float on water
c)
It is made out of rock or metal
d)
it has a low density
113.

When the density formula is rearranged what is the formula for Mass?

a)

Mass/Volume ( m x V )

b)

Density x Volume ( D x V )

c)

Mass/Density ( m/D )

114.

When the density formula is rearranged what is the formula for Volume?

a)

Mass/Volume ( m/V )

b)

Density x Volume (D x V )

c)

Mass/Density ( m/D )

115.

Which value is closest to the volume seen in this graduated cylinder?

a)

34.5 mL

b)

34.0 mL

c)

46.5 mL

d)

20.0 mL

116.

Ions are charged particles.

a)

True

b)

False

117.
Which option correctly list orbitals from low energy to high energy?
a)
1s, 2s, 3s, 3p, 4s, 4d, 4p
b)
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p
c)
1s, 2s, 2p, 3s, 3p, 4s, 4d, 4p
d)
1s, 1p, 2s, 2p, 3s, 3p, 4s, 3d, 4p
118.
Which option correctly list orbitals from low energy to high energy?
a)
1s, 2s, 3s, 3p, 4s, 4d, 4p
b)
1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p
c)
1s, 2s, 2p, 3s, 3p, 4s, 4d, 4p
d)
1s, 1p, 2s, 2p, 3s, 3p, 4s, 3d, 4p
119.

Based on the image what color flame would you expect Na2SO4 to produce?

a)

Red

b)

Orange

c)

Yellow

d)

Light gray

120.

How would calcium change its electrons to look like a noble gas?

a)

Calcium will gain 16 electrons to resemble Krypton

b)

Calcium will lose 2 electrons to resemble Argon

c)

Calcium will lose 2 electrons to resemble Potassium

d)

Calcium will gain 6 electrons to resemble Krypton

121.

What is the name of the following polyatomic ion: PO43-

a)

Phosphide

b)

Phosphorus oxide

c)

Phosphate

d)

Hydrogen phosphate

122.

What is the name of the following polyatomic ion: OH1-

a)

Hydroxide

b)

Hydrogen oxide

c)

Holmium

d)

Oxihydride

123.
How many valance electrons are in Cesium (Cs)?
a)
1
b)
2
c)
3
d)
4
124.
How many valance electrons in Neon (Ne)?
a)
2
b)
4
c)
6
d)
8
125.

What is the correct formula for Calcium Nitride?

a)

CaN

b)

Ca3N2

c)

Ca2N3

d)

Ca6N3

126.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
127.
What is the electron configuration of Sulfur  using noble gas method
a)
[Ne]3s1
b)
[Ne]3s23p3
c)
[Ne]3s23p4
128.
[Ne]3s23p5 is the noble gas configuration for which element?
a)
chlorine
b)
fluorine
c)
sulfur
d)
aluminum
129.

A fellow student of yours thought that flame color was based on the element written at the end of the compound. Which statement would give evidence to support their claim?

a)

The flames of LiCl and and NaCl are the same color

b)

The flames of LiCl and NaCl are different colors

c)

The flames of Na2SO4 and NaCl are different colors

d)

The flames of Na2SO4 and CuCl2 are different colors

130.

What color flame would you predict the compound CuNO3 to produce?

a)

red/orange

b)

purple

c)

blue/green

d)

white

131.

What kind of elements can be identified by using a flame test?

a)

Metals

b)

Non-metals

c)

Both metals and non-metals

d)

Neither metals nor non-metals

132.

An ionic compound forms between a _______ and _______.

a)

metal and non-metal

b)

two metals

c)

two non-metals

133.

What is the correct name for the compound with the formula (NH4)3PO4

a)

Ammonium Pyrophosphite

b)

Ammonium Phoporylate

c)

Ammonium Phosphite

d)

Ammonium Phosphate

134.

What is the correct formula for aluminum nitrate

a)

Al2(NO3)3

b)

Al(NO3)3

c)

Al(NO3)2

d)

Al2(NO3)4

135.

How many VALENCE electrons are in this image?

a)

0

b)

1

c)

10

d)

11

136.

How many CORE electrons are in this image?

a)

0

b)

1

c)

10

d)

11

137.

How many VALENCE electrons are in this image?

a)

0

b)

1

c)

2

d)

There is only a core shell

138.

Which two small particles are found in the nucleus of an atom?

a)

The Population of the city of Worcester is about 185,000

b)

Protons and Neutrons

c)

Neutrons and Electrons

d)

Protons, Neutrons and Electrons

139.

How many valence electrons do the Noble Gases have? Hint, all of the other elements want to have full valence shells like this.

a)

2 (He) or 8 (Ne, Ar, Kr, Xe, Rn)

b)

7

c)

0

d)

10

140.

How many valence electrons does the ANION of selenium (Se2-, atomic #34) have. It has gained 2 electrons and now has a FULL valence shell.

a)

5

b)

6

c)

7

d)

8

141.

How many valence electrons does the CATION of magnesium (Mg2+, atomic #12) have? It has lost 2 electrons and now has a FULL valence shell.

a)

0

b)

1

c)

2

d)

8

142.

How many valence electrons does the CATION of sodium (Na1+, atomic #11) have? It has gained 1 electron and now has a FULL valence shell.

a)

0

b)

1

c)

2

d)

8

143.

How many valence electrons does the CATION of lithium (Li1+, atomic #3) have? It has lost 1 electron and now has a FULL valence shell.

a)

0

b)

1

c)

2

d)

8

144.

What do you call an ion with a negative charge?

a)

Anion

b)

Cation

c)

Neutral Atom

145.

What do you call an ion with a positive charge?

a)

Anion

b)

Cation

c)

Neutral Atom

146.

For the ion with notation Be2+ what does the "2+" indicate?

a)

It has a net charge of 2+ (more protons than electrons)

b)

It has a net charge of 2- (more electrons than protons)

c)

It has 2 protons

d)

Fan of the singer Bebe Rexha

147.

For the ion with notation F1- what does the "1-" indicate?

a)

It has a net charge of 1+ (more protons than electrons)

b)

It has a net charge of 1- (more electrons than protons)

c)

It has 1 electron

d)

Formula 1 racing for drivers that are really bad

148.

For the ion with notation O2- what does the "2-" indicate?

a)

It has a net charge of 2+ (more protons than electrons)

b)

It has a net charge of 2- (more electrons than protons)

c)

It has 2 electrons

d)

It is the inverse square of oxygen

149.

For the ion with notation N 3- what does the "3-" indicate?

a)

It has a net charge of 3+ (more protons than electrons)

b)

It has a net charge of 3- (more electrons than protons)

c)

It has 3 electrons

d)

If you say Nitrogen three times in a row while upside down you will unlock a power up for Chemistry class.

150.

For the ion with notation Li1+ what does the "1+" indicate?

a)

It has a net charge of 1+ (more protons than electrons)

b)

It has a net charge of 1- (more electrons than protons)

c)

It has 1 proton

d)

It is tik-tok shorthand for having one like.

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