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Chemistry Unit

Total questions: 65

Worksheet time: 49mins

Name
Class
Date
1.
Which of the following describes QUANTITATIVE examples of physical properties?
aka properties of QUANTITY
a)
Color, shape, smell, taste
b)
Mass, volume, weight
2.
Physical properties are
a)
properties that can be observed without changing the identity of the substance
b)
properties that describe how a substance changes into a completely different substance
3.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
4.
Is salt dissolving in water a physical or chemical change?
a)
Physical
b)
Chemical
5.

Fizzing, foaming, and bright light being produced are all clues of

a)

Chemical change

b)

Physical change

6.
A(n) _____ is a unique substance that forms when two or more elements combine chemically.
a)
element
b)
compound
c)
mixture
d)
all of the above
7.
Which of the following is a compound?
a)
Air
b)
Lemonade
c)
Carbon Dioxide
d)
Bread
8.
A compound always has the same ___________ in the same proportions (ratio).
a)
elements
b)
carbons
c)
mixtures
d)
ions
9.
Examples of mixtures include ______________.
a)
lemonade
b)
salad dressing
c)
salt water
d)
all of these
10.

The following is/are homogeneous mixtures.

a)

tap water

b)

peanut and butter sandwich

c)

steel (carbon and iron)

d)

sugar water

e)

carbonated soda/pop

11.

Tyndall effect

a)

is how a solution is made by dissolving one substance into another

b)

happens when sand is added to water

c)

is the scattering of light

d)

is what it is called when something doesn't dissolve

12.

Fog

a)

Solution

b)

Colloid

c)

Suspension

13.

Sand in water

a)

colloid

b)

solution

c)

suspension

14.

Vinegar

a)

Colloid

b)

Solution

c)

Suspension

15.

What is it called when light passes through a colloid and scatters/spreads out?

a)

Tyndall Effect

b)

Fog Effect

c)

Timer Effect

d)

Substance Effect

16.

any characteristic of matter that you can observe without changing the identity of the substances that make it up

a)

physical property

b)

chemical property

c)

periodic table

d)

conglomerate

17.

a characteristic of matter you observe as it reacts or changes into a different substance

a)

physical property

b)

chemical property

c)

periodic table

d)

conglomerate

18.

the ability of one material to dissolve in another

a)

solubility

b)

boiling point

c)

melting point

d)

state of matter

19.

the ability to be hammered or rolled into thin sheets

a)

magnetism

b)

malleability

c)

ductility

d)

electrical conductivity

20.

the ability to conduct electricity

a)

magnetism

b)

malleability

c)

ductility

d)

electrical conductivity

21.

a substance that forms when iron reacts with water and oxygen in the air

a)

flammability

b)

rust

c)

solubility

d)

conductivity

22.

It would be slower and harder to swim in honey than water because honey is

a)

Colder

b)

More viscous

c)

More coloured

d)

More natural

23.

Which image shows particles in a solid?

a)
b)
c)
24.

Which image shows particles in a liquid?

a)
b)
c)
25.

Which image shows particles in a gas?

a)
b)
c)
26.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
27.
Name group 1A on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
noble gases
d)
halogens
28.
Name group 2A on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
d)
transition metals
29.
Name group 8A on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
transition metals
d)
noble gases
30.
Name group 7A on the periodic table.
a)
transition metals
b)
metalloids
c)
halogens
d)
alkali metals
31.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
32.
Where are the nonmetals located on the periodic table?
a)
top left corner
b)
bottom left corner
c)
top right corner
d)
bottom left corner
33.

What are the vertical columns on the periodic called?

a)

groups

b)

periods

c)

nonmetals

d)

metals

e)

metalloids

34.

What do the vertical columns on the periodic table tell us?

a)

The number of orbitals

b)

The number of valence electrons (electrons on the outer most shell)

35.

What are the horizontal rows on the periodic table called?

a)

periods

b)

groups

c)

metals

d)

nonmetals

e)

metalloids

36.

What do the horizontal rows on the periodic table tell us?

a)

The number of orbitals

b)

The number of valence electrons (the electrons on the outer most shell)

37.

What does the number of proton tell us?

a)

electrons

b)

atomic number

c)

atomic mass

d)

neutrons

38.

How do you calculate the number of neutrons? *

a)

Mass = Atomic number - Neutrons

b)

Mass - Atomic number = Neutrons

c)

Atomic number = Neutrons

39.

How many valence electrons does the element have?

a)

1

b)

2

c)

3

d)

4

40.

This element has two valence electrons and two energy levels?

a)

Beryllium (Be)

b)

Lithium (Li)

c)

Zinc (Zn)

41.

A subatomic particle that has a positive charge and that is found in the nucleus of an atom

a)

Proton

b)

elecrtron

c)

groups

d)

neutrons

42.

A subatomic particle that has a negative charge

a)

nobles gases

b)

protons

c)

electrons

d)

neutrons

43.
What is the tiny, massive central part of the atom?
a)
Neutron
b)
Electron
c)
Proton
d)
Nucleus
44.

In a correctly written nuclear notation what would be located in the "A" position?

a)

number of neutrons

b)

atomic number

c)

number of electrons

d)

mass number

45.

In the name Carbon-14 the "14" represents the ______.

a)

mass number

b)

atomic number

c)

number of protons

d)

number of electrons

46.

Two atoms of the same element that have different mass numbers are called ________.

a)

molecules

b)

isotopes

c)

variables

d)

ions

47.

How many electrons does this isotope of beryllium have?

a)

9

b)

5

c)

4

d)

2

48.

Ability to burn

a)

Brittleness

b)

Flexibility

c)

Hardness

d)

Combustibility

49.

Ability to break easily

a)

Brittleness

b)

Elasticity

c)

Hardness

d)

Malleability

50.
In which state does matter completely fill its closed container?
a)
Gas
b)
Liquid
c)
Solid
d)
Ice
51.
Which state of matter has a fixed shape and volume and it's molecules move very slowly?
a)
Liquid
b)
Gas
c)
Solid
d)
Plasma
52.
What is the ability of a substance to be pulled into a thin strand?
a)
Malleability
b)
Ductility 
c)
Conductivity
d)
Solubility
53.
What is the ability of a substance to be rolled or pounded into a thin sheet?
a)
Malleability
b)
Ductility
c)
Conductivity
d)
Solubility
54.
What is the ability of a substance to allow heat, sound, or electricity to flow through it?
a)
Malleability
b)
Ductility
c)
Solubility
d)
Conductivity
55.
What physical property is pictured?
a)
Malleability
b)
Ductility
c)
Solubility
d)
Conductivity
56.
What physical property is pictured?
a)
Malleability
b)
Ductility
c)
Solubility
d)
Conductivity
57.

A green powder is heated & a gas is given off while it turns to a black solid. This describes

a)

Physical Change

b)

Chemical Change

c)

Change in State

d)

Change in Temperature

58.

Which of the following could indicate that a chemical change took place?

a)

Change in color

b)

Production of Energy

c)

Formation of Gas

d)

All are correct

59.

The formation of a solid when two liquids combine is called?

a)

Solidification

b)

Freezing

c)

Precipitate

d)

Solubility

60.

The difference between a Physical change and a Chemical change is…

a)

Physical change is only a change to the outside appearance.

b)

Chemical change is when matter is changed into something new.

c)

Atoms are rearranged in chemical changes & not in physical.

d)

All are correct.

61.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

62.

Which of these combinations is an ionic compound made of?

a)

Metal and Metal

b)

Nonmetal and Nonmetal

c)

Metal and Nonmetal

d)

Cation and Cation

63.

Name the following ionic compound: BeCl2

a)

beryllium chlorine

b)

beryllium II chloride

c)

beryllium chloride

d)

beryllium dichloride

64.

Steel generally speaking is made of

a)

iron and carbon

b)

copper and iron

c)

tin and carbon

d)

aluminum and nickel

65.

Which of the following are solutions? Pick all that apply.

a)

Sugar water

b)

Beads

c)

Gases

d)

Alloys

e)

Concrete

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