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Important Chemistry - Coach Reid

Total questions: 100

Worksheet time: 7hrs 26mins

Name
Class
Date
1.

Name the 3 subatomic particles

a)

Proton, Neutron, Tic Tac

b)

Proton, Neutron, Electron

2.

A proton has a __________ charge.

a)

positive

b)

negative

c)

neutral

3.

An electron has a ______________ charge.

a)

Positive

b)

Negative

c)

Neutral

4.

A neutron has a ____________ charge

a)

positive

b)

negative

c)

neutral

5.

___________________ discovered the proton.

a)

Chadwick

b)

Dalton

c)

Rutherford

6.

_________________ discovered the electron.

a)

Thompson

b)

Dalton

c)

Walter White

7.

________________ discovered the neutron.

a)

Walter White

b)

John Smith

c)

Chadwick.

8.

This subatomic particle identifies the element.

a)

Proton

b)

Neutron

c)

Megatron

9.

This subatomic particle, in particular the ones in the outer shell determine reactivity.

a)

Proton

b)

Neutron

c)

Electron

10.

The gold foil experiment determined that___________

a)

the nucleus is large

b)

that electrons are negative

c)

the nucleus is small, dense, and positively charged.

11.

A cathode ray tube was used to discover this subatomic particle.

a)

Proton

b)

Mega

c)

Electron

12.

In a stable element the number of _____________ equals the number of ______________.

a)

protons, electrons

b)

neutrons, electrons

c)

protons, neutrons

13.

The atomic number represents the number of ______________

a)

protons plus neutrons

b)

neutrons

c)

protons

14.

The mass number is the number of ___________ plus ___________.

a)

protons, neutrons

b)

protons, protons

c)

electrons, protons

15.

An isotope has different number of__________________.

a)

neutrons

b)

protons

c)

electrons

16.

Electrons in the outermost shell are called _______________.

a)

lost electrons

b)

neutral electrons

c)

reactive electrons

d)

valence electrons

17.

_________________ invented the periodic table.

a)

Bohr

b)

Dalton

c)

White

d)

Mendelev

18.

The modern periodic table is arranged by this subatomic particle.

a)

proton

b)

neutron

c)

electron

19.

A _______________ runs horizontally(left to right) on the periodic table

a)

Period

b)

Group

c)

Neutron

20.

A _____________ runs up and down on the periodic table.

a)

Group

b)

Period

c)

Sub Shell

21.

Elements in a group react similarly because they have the same number of_______________.

a)

Protons

b)

Shells

c)

Valence Electrons

22.

Another name for a group is a ________________.

a)

Period

b)

Quantum

c)

Family

23.

Group 1 elements are called___________________.

a)

Non Metals

b)

Alkali Earth

c)

Alkali

24.

Group 18 elements are called___________________.

a)

Noble Gases

b)

Alkali

c)

Halogens

d)

Transition Metals

25.

Group 2 elements are called__________________.

a)

Alkali Earth

b)

Protons

c)

Stable

d)

Halogens

26.

Group 17 elements are called_______________.

a)

Halogens

b)

Noble Gases

c)

Alkali

d)

Metals

27.

The most reactive elements are in groups___________

a)

2 and 18

b)

17 and 18

c)

1 and 2

d)

1 and 17

28.

The most stable elements are in group______.

a)

1

b)

5

c)

13

d)

18

29.

How many valence electrons are in group 18?

a)

Full or 8

b)

Full or 1

c)

7

d)

18

30.

A ion is an atom with a ___________________.

a)

Proton

b)

Electron

c)

Charge

31.

A cation has a ______________ charge

a)

positive

b)

neutral

c)

negative

32.

An anion has a _____________ charge.

a)

positive

b)

negative

c)

neutral

33.

A metal tends to lose electrons and will have a ____________ charge.

a)

positive

b)

no charge

c)

negative

34.

A non-metal tends to gain electrons and will have a ___________ charge.

a)

positive

b)

negative

c)

neutral

35.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
36.

In which group would an element that is not reactive most likely be located?

a)

1

b)

2

c)

16

d)

18

37.
What is Bohr known for?
a)
atomos
b)
combining and separating atoms
c)
saying the atom is empty space
d)
saying electrons orbit on specific paths
38.
A covalent bond is a bond between a _____ and a ______
a)
metal, nonmetal
b)
metal, metal
c)
nonmetal, nonmetal
39.
When metals bond with non-metals they form what type of bonds
a)
covalent
b)
ionic
c)
cooperative
d)
lewis
40.
Name this compound: 
KF
a)
Potassium fluoride
b)
Potassium fluorite
c)
Fluorine potasside 
d)
Potassium fluorate
41.
How do the following two elements bond together?
Cr3+  O2-         
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
42.
How do the following two elements bond together?
K1+  S2- 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
43.

How many valence electron does Oxygen (O) have?

a)

2

b)

8

c)

6

d)

7

44.

What is the charge of Sodium (Na)?

a)

+1

b)

-1

c)

0

d)

+2

45.

What is the charge of Chlorine (Cl)?

a)

+1

b)

-1

c)

0

d)

-2

46.

What is the charge of Chlorine (Cl)?

a)

+1

b)

-1

c)

0

d)

-2

47.

Which element has 3 valence electrons?

a)

A

b)

B

c)

E

d)

C

48.
As you move down the periodic table atoms get bigger.  This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more neutrons
49.
Same repel, opposites
a)
avoid
b)
attract
c)
push
d)
pull
50.
How are covalent bonds formed?
a)
Sharing of electrons
b)
Transfer of electrons
51.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
52.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
53.
This is a picture of a
a)
Flask
b)
Triple Beam Balance
c)
Beaker
d)
Meter Stick
54.
This is a picture of a
a)
Beaker
b)
Graduated Cylinder
c)
Test tube
d)
Flask
55.

This is a picture of a

a)

Beaker

b)

Graduated Cylinder

c)

Test tube

d)

Flask

56.
Identify the equipment shown here:
a)
grinder
b)
evaporating dish
c)
mortar and pestle
d)
crucible
57.
Properties that can be observed without trying to change the identity of the substance.
a)
Physical
b)
Chemical
58.

Which of the following is a chemical change?

a)

Cutting bread

b)

Slicing carrots

c)

Melting butter

d)

Soured milk

59.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
60.
Where are the metalloids located on the periodic table?
a)
Blue
b)
Red
c)
Green
61.
a)
Periods
b)
Groups
62.
a)
Periods
b)
Groups
63.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
64.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
65.
a)
Same group
b)
Same period
66.
a)
Group 1
b)
Group 17
c)
Group 2
d)
Group 18
67.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
68.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
69.
a)
Metals
b)
Nonmetals
c)
Metalloids
70.
a)
Metals
b)
Nonmetals
c)
Metalloids
71.
a)
Metals
b)
Nonmetals
c)
Metalloids
72.
a)
Metals
b)
Nonmetals
c)
Metalloids
73.
a)
Metals
b)
Nonmetals
c)
Metalloids
74.
a)
Metals
b)
Nonmetals
c)
Metalloids
75.
a)
Metals
b)
Nonmetals
c)
Metalloids
76.
a)
Metals
b)
Nonmetals
c)
Metalloids
77.

(a)   is a measure of how close measurements come to each other when they are made in the same way.

78.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
79.

This bullseye demonstrates...

a)

High Accuracy & High Precision

b)

High Accuracy & Low Precision

c)

Low Accuracy & High Precision

d)

Low Accuracy & Low Precision

80.

Describe the accuracy and precision of the image

a)

Very accurate and somewhat precise

b)

Very accurate but not precise at all

c)

Not accurate at all but very precise

d)

not accurate and not very precise

81.

A set of data are all close in value to each other, but they are not close to the actual value. This set of data can be described as _________________.

a)

precise

b)

accurate

82.

Which best describes the target?

a)

Precise, but not accurate

b)

Accurate but not precise

c)

Precise and accurate

d)

Neither accurate nor precise

83.

Which student is the most ACCURATE?

a)

A

b)

B

c)

C

84.

Which of the following diagram represents more accurate and more precise ?

a)

A

b)

B

c)

C

d)

D

85.

Which of the following weighing balance is more precise?

a)

A

b)

B

c)

C

86.

Which of the following weighing balance is more accurate?

a)

A

b)

B

c)

C

87.
What is Bohr known for?
a)
atomos
b)
combining and separating atoms
c)
saying the atom is empty space
d)
saying electrons orbit on specific paths
88.
What is Avogadro's Number? 
a)
6.02 x 1023
b)
- 6.02 1023
c)
6.02 x 1022
d)
6,020,000,000,000
89.

The atomic number is always a

a)

whole number which tells you the number of protons, also the smallest number

b)

a large number with a decimal point

90.

Atomic Mass on the periodic table will always be

a)

the number with a decimal point and is the largest number

b)

the number without a decimal point

91.

IN the following reaction what are the products:

 2H₂ + CO₂ → CH₃OH

a)

2H₂ + CO₂

b)

CH₃OH

92.

IN the following reaction what are the reactants:

 2H₂ + CO₂ → CH₃OH

a)

CH₃OH

b)

2H₂ + CO₂

c)

-->

93.
Ionization energy is...
a)
the energy required to add an electron to a specific atom
b)
how much energy it takes to remove an electron from an atom
c)
the energy required to shield the outer electrons from the nucleus
d)
a measure of the ability of an atom to attract electrons
94.
Atoms that have a high electronegativity, _______________.
a)
give up their electrons more easily.
b)
hold on to their electrons more tightly.
c)
have more electron shells.
95.

The ability of an atom to attract electrons in a bond is called

a)

Ionization energy

b)

electronegativity

c)

atomic radius

d)

proton affinity

96.
As you move down a group, atomic radius increases because - 
a)
you add more and more neutrons
b)
you add more and more protons
c)
you add more and more shells (energy levels)
d)
you add more atomic mass
97.

What group is highlighted here on the periodic table (Group 1A)?

a)

Noble Gases

b)

Halogens

c)

Alkali Metals

d)

Alkaline Earth Metals

98.

What group is highlighted here on the periodic table (Group 8A)?

a)

Noble Gases

b)

Halogens

c)

Alkali Metals

d)

Alkaline Earth Metals

99.
Elements in the same column of the periodic table always have the same # of _______ as one another.
a)
Protons
b)
Neutrons
c)
Electrons
d)
Valence Electrons
100.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups

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