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Chemistry review PS8.1-5

Total questions: 46

Worksheet time: 27mins

Name
Class
Date
1.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
2.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
3.
Relationship between mass and volume
a)
Volume
b)
Density
c)
Displacement
d)
Matter
4.

The measure of the pull of gravity on an object describes

a)

mass

b)

weight

c)

volume

d)

density

5.

What term means "take up space"

a)

Volume

b)

Matter

c)

Mass

d)

Substance

6.
You can measure ______ with grams.
a)
mass
b)
volume
c)
conductivity
d)
melting point
7.
The amount of space something takes up
a)
density
b)
volume
c)
mass
d)
matter
8.
Which state of matter has particles that are tightly packed?
a)
liquid
b)
gas
c)
solid
9.
The amount of matter something contains is its ______________.
a)
gas
b)
solid
c)
weight
d)
mass
10.

What is the outcome of observing a chemical property?

a)

Nothing

b)

A new substance is formed with different properties

c)

NaCl

d)

A rise in thermal conductivity

11.

What effect does observing the physical properties of a substance have on the substance?

a)

Measuring physical properties changes the chemical identity of the substance

b)

Observing physical properties has no effect on the substance

c)

It makes to substance develop a deep seeded distrust of humans

d)

The substance will undergo an exothermic reaction

12.

Choose the one that is a chemical property

a)

Magnetism

b)

Size

c)

Color

d)

Reactivity with water

13.

Choose which one is a physical property

a)

Flammability

b)

Solubility

c)

Water Reaction

d)

Magic

14.
a)
physical change
b)
chemical change
15.

Physical or Chemical Change? Iron rusts

a)

Physical Change

b)

Chemical Change

16.

Water freezing into ice is an example of a...

a)

Physical Change

b)

Chemical Change

17.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
18.

Which of the following is a negatively charged subatomic particle?

a)

Electron

b)

Proton

c)

Neutron

d)

Quark

19.
How many protons does this atom have?
a)
2.5
b)
6
c)
5
d)
10.811
20.
What is the atomic number of this atom?
a)
4
b)
5
c)
9
d)
none of the above
21.
Which of the following properties uniquely identifies every element?
a)
Number of valence electrons
b)
Phase at room temperature
c)
Number of protons
d)
Charge of the atom
22.
What is a valence electron?
a)
an electron that is found in the outermost orbital of an atom. 
b)
an electron found in the innermost orbital of an atom.
c)
an electron found in the middle orbital.
23.
B and C are found in the ______ of an atom.
a)
electron cloud
b)
Space
c)
Nucleus
d)
Outside
24.

How many valence electrons does the element have?

a)

1

b)

2

c)

3

d)

4

25.

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)

26.

What are the vertical columns on the periodic called?

a)

groups

b)

periods

c)

nonmetals

d)

metals

e)

metalloids

27.

how many rows are on the table

a)

4

b)

5

c)

6

d)

7

28.

a row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

29.

Which of the following is not an alkali metal?

a)

Cesium

b)

Francium

c)

Hydrogen

d)

Sodium

30.

Highly reactive

a)

Alkali metal

b)

Noble gases

c)

Rare earth metals

d)

Neon

31.

Which elements are found on the left to middle of The Periodic Table?

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Candles

32.

An ionic bond forms when

a)

valence electrons are shared back and forth (move between) two atoms.

b)

a sea of mobile electrons surround the cations and they then become negativly charged

c)

valence electrons are transferred from one atom to another, forming charged ions that are then pulled together by attraction between opposite charges

d)

none of the above

33.
What type of bond is forming between oxygen and hydrogen?
a)
Ionic 
b)
Covalent
34.

Structural differences between different chemicals can be represented in models of the particles. Which drawing BEST represents a compound?

a)

Picture A

b)

Picture B

c)

Picture C

d)

Picture D

35.

Earth’s air is made up of molecules of different gases that are not joined chemically. Which term best describes air?

a)

compound

b)

mixture

c)

pure substance

d)

element

36.

What kind of substance is composed of two or more elements that are chemically combined?

a)

element

b)

mixture

c)

solution

d)

compound

37.

Is salt (NaCI) a compound or a element

a)

Compound

b)

element

38.

How many different elements are in an amino acid with the formula C5H11NO2S?

a)

5

b)

20

c)

18

d)

4

39.

Alanine is an amino acid with formula C3H7NO2. How many atoms in all are in each molecule of alanine?

a)

3

b)

7

c)

12

d)

13

40.

How many atoms of sulfur are in each molecule of H2SO4?

a)

1

b)

4

c)

2

d)

7

41.

What does the number 4 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

42.

What does the number 3 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

43.
Identify the reactant(s) and product(s) of the reaction.
a)
All three are reactants and none are products.
b)
Hydrogen and water are the reactants, and oxygen is the product.
c)
Water and oxygen are the reactants, and hydrogen is the product.
d)
Hydrogen and oxygen are the reactants, and water is the product.
44.
The substances listed on the right side of a chemical equation are the
a)
Yields
b)
Reactants
c)
Products
d)
Precipitates
45.

The Law of Conservation of Mass says that matter can neither be __________ or __________.

a)

created; destroyed

b)

recycled; renewed

c)

subtracted; added

d)

joined; separated

46.

Why does this picture demonstrate the Law of Conservation of Mass?

a)

the number of atoms of each element are the same on both sides

b)

they start out separate and end up combined

c)

the same elements are used

d)

it doesn't demonstrate the Law of Conservation of Mass

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