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Chemistry Quarterly Review

Total questions: 65

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
If a solid block of wood has a volume of 10 cm3 and a mass of 40 grams, what is its density?
a)
40 grams
b)
4 cm3
c)
4 g/cm3
d)
40 g/cm3
2.
If a block of cheese was chopped up into 50 identical cubes of cheese, how could you compare one of the cubes to the whole block?
a)
the small cube has the same mass as the whole block
b)
the small cube has the same volume as the whole block
c)
the small cube has the same weight as the whole block
d)
the small cube has the same density as the whole block
3.
What is true about the mass of the reactants compared to the mass of the products of a chemical reaction?
a)
they will always be the same
b)
they are sometimes the same
c)
they will always be different
d)
they will sometimes be different
4.
Which one is not a chemical change?
a)
a wick burning
b)

a nail rusting

c)
metal corroding
d)
wax melting
5.
Which one is not a physical change?
a)
paper ripping
b)
chopping wood
c)
gold melting into a liquid
d)
a match burning
6.
If you completely dissolve a powder into water, this is an example of a ___________change.
a)
chemical
b)
physical
7.

Which is a true statement about this picture?

a)

Water is less dense than sugar syrup

b)

Sugar syrup is more dense than honey

c)

Edible oil is the most dense

d)

Dishwashing liquid is less dense than edible oil

8.

Mass is

a)

The ability of an object to float

b)

The amount of space an object takes up

c)

Descriptions of matter

d)

The amount of matter in an object

9.

Based on these densities, which would be in the middle?


milk - 1.03 g/mL

ice - 0.920 g/mL

mercury - 13.6 g/mL

a)

Milk

b)

Ice

c)

Mercury

10.
What is the formula for calculating density?
a)
Mass ∗ Volume
b)
Volume ∗ Mass
c)
Mass ÷ Volume
d)
Volume ÷ Mass
11.

Two samples of gold must have the same

a)

volume

b)

density

c)

mass

d)

length

12.

Appearance, texture, and density are classified as

a)

physical properties.

b)

chemical properties.

c)

magnetic properties.

d)

thermal properties.

13.

Why is the following chemical equation not balanced?

H2 + O2 → H2O

a)

each side of the equation has a different number of oxygen atoms

b)

each side of the equation has a different number of hydrogen atoms

c)

each side has the same mass

14.

Is the following equation balanced or unbalanced?

Fe + S → FeS

a)

balanced

b)

unbalanced

15.

What is the part of the chemical equation in green called?

Fe + S → FeS

a)

products

b)

reactants

c)

yield

d)

chemical formula

16.

Balance this equation.

__CH4 + __O2 → __CO2 + __H2O

a)

1,2,1,1

b)

2,1,2,1

c)

1,2,1,2

d)

0,2,0,2

17.

What does Evidence mean?

a)

All scientific data that supports your claim

b)

An opinion

c)

Statement you believe to be true

d)

A statement of an opposing argument

18.
What does Reasoning mean?
a)
A solid and reasonable argument
b)
A written response to a claim
c)
An explanation that connects your evidence back to the claim
d)
An opinion you believe in
19.

What is a claim?

a)

Answers a question or problem

b)

long and detailed paragraph

c)

Explains why something happened

20.

What does CER stand for?

a)

Create Evaluate Respond

b)

Consider Evidence Relevant

c)

Claim Evidence Reasoning

d)

Cause Examine Real-life

21.
He developed the planetary model of the atom.
a)
Rutherford
b)
Bohr
c)
Chadwick
d)
Dalton
22.
James Chadwick discovered the ________.
a)
proton
b)
neutron
c)
electron
d)
nucleus
23.
Who believed that all matter is made up of small particles called atoms?
a)
Dalton
b)
Rutherford
c)
Bohr
d)
Chadwick
24.
What did Thomson discover?
a)
electron
b)
proton
c)
neutron
d)
electron cloud
25.
This scientist believed that electrons orbit the nucleus.
a)
Dalton
b)
Bohr
c)
Rutherford
d)
Chadwick
26.
The Gold Foil experiment was done by __________.
a)
Chadwick
b)
Bohr
c)
Rutherford
d)
Thomson
27.
This scientist performed the Cathode Ray Tube experiment and proposed the Plum Pudding Model of the atom
a)
Dalton
b)
Chadwick
c)
Thomson
d)
Democritus
28.

Who discovered the proton?

a)

Thomson

b)

Dalton

c)

Bohr

d)

Rutherford

29.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
30.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

31.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
32.
How are electrons arranged in an atom?
a)
In groups of five
b)
In energy levels
c)
By color
d)
By shape
33.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

34.

How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?

a)

2

b)

6

c)

8

d)

10

35.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
Electrons and megatrons
36.

What are valence electrons?

a)

The innermost electrons

b)

The outermost electrons

37.

How many valence electrons does Carbon have

a)

1

b)

4

38.

Electron dot notation is . . . .

a)

A representation of an element in which only valence electrons of an atom are shown

b)

A representation of how compounds are formed.

39.

Which of these is correct?

a)
b)
40.

How would you draw a Lewis dot diagram for Magnesium?

a)
b)
c)
d)
41.

Which of these is correct?

a)
b)
c)
42.

choose the correct statement

a)

the vertical column in the periodic table is called period

b)

the vertical column in the periodic table is called group

c)

the horizontal row in the periodic table is not called period

d)

none of the above

43.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
44.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
45.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
46.

a row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

47.

a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group

a)

family

b)

period

c)

row

d)

isotope

48.

one or two letters that represent the name of an element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

49.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
50.

Which color on the image of the periodic table corresponds with the metalloids.

a)

bright yellow

b)

gold

c)

teal

d)

light blue

51.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
52.

Which elements are colored red?

a)

nonmetals

b)

metals

c)

metalloids

53.

Which elements are to the LEFT of the zigzag?

a)

metals

b)

nonmetals

c)

metalloids

54.
All of these properties describe metals except...
a)
malleable
b)
conductors
c)
brittle 
d)
shiny
55.

Using just the valence electrons on each atom determine which 2 atoms should be in the same group.

a)

atom 1 and 2

b)

atom 3 and 4

c)

atom 1 and 4

d)

atom 2 and 3

56.

Which of the following is a trait of group 18?

a)

They are all reactive metals

b)

they are all stable metals

c)

They chemically stable gasses

d)

They are a mix of reactive gasses and solids

57.

Which element is in period 5?

a)

Vanadium

b)

Rubidium

c)

Tungsten

d)

Lithium

58.

How many protons would an atom of Zinc have?

a)

29

b)

30

c)

69

d)

63

59.

Which element is in Group 18 and period 4?

a)

Krypton

b)

Argon

c)

Xenon

d)

Bromine

60.

How many neutrons would an atom of Copper have?

a)

29

b)

63

c)

32

d)

35

61.

How many electrons can fit on the 2nd energy level (orbital) for any Bohr Model?

a)

2

b)

6

c)

8

d)

10

62.

How many electrons can fit on the 3rd energy level (orbital) for any Bohr Model?

a)

2

b)

6

c)

8

d)

10

63.

The GROUP number indicates the number of

a)

electrons

b)

valence electrons

c)

energy levels

d)

protons

64.

The PERIO number indicates the number of

a)

electrons

b)

valence electrons

c)

energy levels

d)

protons

65.

A graduated cylinder is filled to 90 mL. A mystery object with a mass of 12 g is placed in the beaker and the water level rises to 93 mL. What is the density of the object?

a)

4 g/mL

b)

0.25 g/mL

c)

7.75 g/mL

d)

7.5 g/mL

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