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GSE Unit 9 Review

Total questions: 45

Worksheet time: 30mins

Name
Class
Date
1.
GOLD
a)
Al
b)
Ag
c)
Ar
d)
Au
2.
CHLORINE
a)
C
b)
Ca
c)
Cl
d)
Cu
3.

the basic structural unit of matter

a)

atom

b)

matter

c)

element

d)

nucleus

4.

the positively charged subatomic particle contained in the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

5.

a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge

a)

proton

b)

neutron

c)

electron

d)

matter

6.

a negatively charged subatomic particle that orbits the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

7.

an arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column and properties repeat from row to row

a)

Periodic Table of Elements

b)

Atomic Theory

c)

Isotopes

d)

Subatomic Particles

8.

one or two letters that represent the name of an element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

9.

a unique number for each element that equals the number of protons in an atom of that element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

10.

What is the name of group number 1?

a)

halogens

b)

noble gases

c)

alkali metals

d)

alkaline earth metals

11.

What is the name of group number 2?

a)

transition metals

b)

halogens

c)

metaloids

d)

alkaline earth metals

12.

where are the metaloids found

a)

far left, vertical

b)

stair step/diagonal

c)

far right horizontal

d)

at the bottom

13.
___________ is the only metal that is a liquid at room temperature.
a)
Platinum
b)
Water
c)
Tin
d)
Mercury
14.

Which element is found in group 2, period 6?

a)

Oxygen (O)

b)

Barium (Ba)

c)

Selenium (Se)

d)

Carbon (C)

15.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
16.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
17.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
18.
Atoms with similar properties are most likely located...
a)
in the same period.
b)
in the same group.
c)
in different periods.
d)
to the right and left of each other.
19.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
20.
Which is a neutron?
a)
A
b)
B
c)
C
21.

How many electrons does the first shell hold?

a)

1

b)

2

c)

4

d)

8

22.

How many electrons can be in the 2nd energy level hold?

a)

1

b)

2

c)

4

d)

8

23.
All matter is made up of .....
a)
Compounds
b)
Atoms
c)
Molecules
d)
Sunshine
24.
Are made from a combination of 2 or more elements...
a)
Molecules
b)
Pure Substances
c)
Compounds
d)
Elements
25.
H2 would be a .....
a)
Molecule
b)
Compound
c)
Solid
d)
Problem
26.
All matter is made up of .....
a)
Compounds
b)
Atoms
c)
Molecules
d)
Sunshine
27.
Are made from a combination of 2 or more elements...
a)
Molecules
b)
Pure Substances
c)
Compounds
d)
Elements
28.

H2 would be a .....

a)
Molecule
b)
Compound
c)
Solid
d)
Problem
29.
A combination that can be separated by physical processes is a .....
a)
Pure Substance
b)
Glucose
c)
Element
d)
Mixture
30.
A mixture that is NOT evenly distributed is called ....
a)
Compounded
b)
Homogenous
c)
Heterogenous
d)
Salty
31.
Mixture, such as mixed nuts or dry soup mix, in which different materials are unevenly distributed and are easily identified.
a)
suspension
b)
homogeneous mixture
c)
heterogeneous mixture
d)
colloid
32.
Substance with atoms that are all alike.
a)
element
b)
compound
c)
homogeneous mixture
d)
heterogeneous mixture
33.
Which of the following is not a homogeneous mixture?
a)
orange juice
b)
vinegar
c)
soft drinks
d)
pool water
34.
What type of mixture is this?
a)
homogenous mixture
b)
chemical
c)
heterogeneous mixture 
d)
solid mix
35.
Which of the following is not an element?
a)
water
b)
hydrogen
c)
carbon
d)
oxygen
36.
Which of the following IS a mixture?
a)
air
b)
hydrogen
c)
water
d)
sugar
37.
Oxygen gas is an example of a.....
a)
pure element
b)
pure compound
c)
heterogeneous mixture
d)
homogeneous mixture
38.
Table salt is an example of a.....
a)
pure element
b)
pure compound
c)
heterogeneous mixture
d)
homogeneous mixture
39.
A gold bar is an example of a.....
a)
pure element
b)
pure compound
c)
heterogeneous mixture
d)
homogeneous mixture
40.
Which of the following would you use to separate sand from iron?
a)
a bar magnet
b)
paper
c)
hot plate
41.

Which form of matter is represented by single argon atoms?

a)

Element

b)

Compound

c)

Mixture

d)

Colloid

42.

How do elements differ from other pure substances?

a)

Elements and Pure Substances are the same.

b)

Pure substance cannot be broken down into substances.

c)

Elements can be broken down into substances.

d)

Elements can NOT be broken down into substances.

43.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
44.

This picture represents which of the following?

a)

A single element

b)

Mixture of molecules

c)

mixture of atoms

d)

mixture of compounds

45.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds

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