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BIG Chemistry Test Review

Total questions: 75

Worksheet time: 47mins

Name
Class
Date
1.

Isotopes of an element have a different number of...

a)

Protons

b)

Neutrons

c)

Electrons

d)

Mass

2.

An atom that has gained or lost electrons in an attempt to become stable/bond with another atom.

a)

Normal/Neutral Atom

b)

Ion

c)

Isotope

3.

A negatively charged ion that has gained electrons to satisfy the octet rule.

a)

Anion

b)

Cation

c)

Neutral Atom

d)

Isotope

4.

A positively charged ion that has lost electrons to satisfy the octet rule.

a)

Anion

b)

Cation

c)

Neutral Atom

d)

Isotope

5.

Atoms of the same element that have a different mass than expected because they have a different number of neutrons.

a)

Neutral Atom

b)

Ion

c)

Isotope

d)

Cation

6.

A bond between two ions of opposite charges (a metal that loses electrons and a non-metal that gains electrons)

a)

Ionic Bond

b)

Covalent Bond

c)

Alloy

d)

Mixture

7.

A strong bond between two non-metals that share electrons to satisfy the octet rule.

a)

Ionic Bond

b)

Covalent Bond

c)

Alloy

d)

Mixture

8.
Which of the following chemical formulas represents a compound? 
a)
C3
b)
O2
c)
CH3CHO
d)
H2
9.
Which statement best describes an element?
a)
made from mixture 
b)
thousands in the world
c)
pure, made of only one atom
d)
can be separated 
10.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
11.
What is the symbol for Potassium?
a)
P
b)
K
c)
Pb
d)
Pd
12.
What is the symbol for Carbon?
a)
C
b)
Ca
c)
Cl
d)
H
13.
What is the name of this element?
a)
Helium
b)
Rubidium
c)
Hydrogen
d)
Mercury
14.
Which one of these is not a noble gas?
a)
Helium
b)
Radon
c)
Iodine
d)
Krypton
15.
What is the atomic number of Oxygen?
a)
6
b)
7
c)
8
d)
9
16.
Which one of these is the symbol for lead?
a)
Rb
b)
Pb
c)
Li
d)
Au
17.
What family is Sodium a part of?
a)
Transition Metals
b)
Halogens
c)
Alkali Metals
d)
Alkaline Earth Metals
18.
What two elements come together to make this substance in the picture?
a)
Oxygen and Carbon
b)
Sodium and Calcium
c)
Sodium and Chlorine
d)
Helium and Nitrogen
19.
What family is silver a part of?
a)
Transition Metals
b)
Noble Gases
c)
Alkali Metals
d)
Alkaline Earth Metals
20.
___________ is the only metal that is a liquid at room temperature.
a)
Platinum
b)
Water
c)
Tin
d)
Mercury
21.
Which element that starts with a B is an Alkaline Earth Metal?
a)
Barium
b)
Boron
c)
Bread
d)
Bromine
22.
What element is this?
a)
Silver
b)
Silicon
c)
Sulfur
d)
Selenium
23.

Where is the proton found in an atom?

a)

nucleus

b)

orbiting around the nucleus

c)

protons don't exist o_O

d)

Justmir is hiding it.

24.

Where is the neutron found in the atom?

a)

protons don't exist o_O

b)

in the nucleus

c)

orbiting the nucleus

d)

Carleah has it!

25.

What charge is the proton?

a)

positive

b)

no charge (neutral)

c)

negative

d)

Senaida-charged

26.

What charge is the electron?

a)

Logan-charged

b)

negative

c)

positive

d)

no charge (neutral)

27.

What charge is the neutron?

a)

no charge (neutral)

b)

positive

c)

negative

d)

Katlyn-charged

28.

The mass # tells us the mass of the atom. Which two subatomic particles make up the mass of the atom?

a)

protons and electrons

b)

neutrons and electrons

c)

Kyrontrons and Kytrons

d)

protons and neutrons

29.

What can you do to find the number of neutrons in an atom?

a)

It's the same as the atomic #.

b)

Ask Sierra!

c)

Subtract the atomic # (protons) from the mass # (protons and neutrons)

d)

Multiply the mass # (protons and neutrons) and the atomic # (protons)

30.

The number of electrons is usually the same as the number of protons.

a)

True

b)

False

c)

Only Abraham knows...

31.
Sodium has an atomic number of 11, how many protons does this atom have?
a)
22
b)
11
c)
12
d)
2
32.
Which description about the proton is accurate?
a)
Positively charged particle with a mass less than 0 amu
b)
A neutrally charged particle with a mass less than 0 amu
c)
Positively charged particle with a mass of 1 amu
d)
A neutrally charge particle with a mass of 1 amu
33.

In a Bohr Model, the number of rings (electron shells) is determined by the....

a)

Period

b)

Group

34.

In a Bohr Model, the number of valence electrons can be counted by the....

a)

Period

b)

Group

35.

____________ are the electrons in the outermost energy shell in an atom.

a)

Silly Electrons

b)

Reactive Electrons

c)

Outside Electrons

d)

Valence Electrons

36.

Use your periodic table for this one. Which family does Chlorine belong?

a)

Halogens

b)

Noble Gases

c)

Nonmetals

d)

Metalloids

37.

How many valence electrons does this Bohr Model have?

a)

2

b)

7

c)

0

d)

9

38.

Which element is this model representing? (Hint: Count the total number of electrons)

a)

Boron

b)

Oxygen

c)

Potassium

d)

Carbon

39.

How much does 1 neutron weigh?

a)

1 AMC (atomic mass count)

b)

1 AMU (atomic mass unit)

c)

Depends on the neutron

d)

They are so small that their mass is insignificant.

40.

How much does 1 electron weigh?

a)

1 AMC (atomic mass count)

b)

1 AMU (atomic mass unit)

c)

Depends on the neutron

d)

They are so small that their mass is insignificant.

41.

Which of the "Halogens" is found in liquid state at room temperature?

a)

Flourine

b)

Astatine

c)

Iodine

d)

Bromine

42.

Which of the "Halogens" is found in liquid state at room temperature?

a)

Flourine

b)

Astatine

c)

Iodine

d)

Bromine

43.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
44.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
45.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
46.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
47.

The innermost energy level has a maximum of how many electrons?

a)

1

b)

2

c)

6

d)

8

48.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

49.

Which Bohr model represents Neon?

a)
b)
c)
d)
50.

A negatively charged object and a positively charged object will...

a)

attract.

b)

repel.

c)

not experience an electric force.

d)

implode.

51.

An object becomes positively charged by...

a)

gaining negative charges.

b)

losing negative charges.

c)

gaining positive charges.

d)

losing positive charged.

52.

An object becomes negatively charged by...

a)

gaining negative charges.

b)

losing negative charges.

c)

gaining positive charges.

d)

losing positive charged.

53.

Metal atoms are most likely to form...

a)

positively charged cations.

b)

negatively charged anions.

c)

neutral molecules.

d)

bations.

54.

Non-Metal atoms are most likely to form...

a)

positively charged cations.

b)

negatively charged anions.

c)

neutral molecules.

d)

bations.

55.

What is the name of an ionic compound formed from Calcium and Oxygen?

a)

Calcium Oxide

b)

Calcium Monoxide

c)

Monocalcium Monoxide.

d)

Calcium Dioxide

56.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

57.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

58.

Which of these is a mixture?

a)

Laundry Detergent

b)

Salt (NaCl)

c)

Oxygen (O)

d)

Fluorine (Fl)

59.
A mixture that is uniform and well mixed is _____.
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
compoud
60.

True or False: elements AND compounds are pure substances.

a)

True

b)

False

61.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
62.
Is hydrogen considered a metal or a non-metal?
a)
A metal
b)
Nonmetal
c)
Metalloid
63.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
64.
Ionic or covalent?
NaBr
a)
Ionic
b)
Covalent
65.
Ionic or covalent?
H2O
a)
Ionic
b)
Covalent
66.
Which is most likely to form an ion of -1?
a)
an element from group 17
b)
a metal
c)
an element from group 1
d)
an element with atoms that have eight valence electrons
67.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
68.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
69.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
70.
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
a)
4Fe + 3O2 -> 2Fe2O3
b)
2 Fe + 3O2 -> Fe2O6
c)
4 Fe + O6 -> 2Fe2O3
d)
None of the options are correctly balanced.
71.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
72.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
b)
Matter can only be lost in a chemical reaction.
c)
Matter can only be gained in a chemical reaction.
d)
Matter can be gained and lost in a chemical reaction. 
73.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
74.
What is the little number after an element in a chemical equation called.
Example: H2
a)
Coefficient 
b)
Subscript
c)
Atom
d)
Equation
75.
Name the part in red:

_2_H2 + _1_O2 -> _2_H2O
a)
Coefficient
b)
Product
c)
Yield
d)
Subscript

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