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Chemistry 1 test review

Total questions: 38

Worksheet time: 42mins

Name
Class
Date
1.

How many electrons does a Copper atom have?

a)

63

b)

29

c)

92

d)

34

2.

How many protons does an Iodine atom have?

a)

53

b)

126

c)

73

d)

179

3.

How many neutrons does a Hydrogen atom have?

a)

1

b)

2

c)

3

d)

0

4.
An atom of the element with atomic number 6 always has _____.
a)
six protons in its nucleus
b)
an atomic mass of six
c)
more than six neutrons
d)
six electron clouds
5.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
6.

In an atom, the number of protons is equal to the number of ____________.

a)

energy levels

b)

neutrons

c)

neurons

d)

electrons

7.

At what part of the atom is the arrow pointing?

a)

nucleus

b)

energy level

c)

electron

d)

proton

8.
Where are the Electrons found in the structure of an atom?
a)
In the nucleus
b)
In spaces around the nucleus
9.

In a neutral atom,

a)

protons = electrons

b)

protons = neutrons

c)

neutrons = electrons

d)

protons = neutrons = electrons

10.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

8

11.

What is this element?

a)

Beryllium (atomic #4)

b)

Boron (atomic #5)

c)

Carbon (atomic #6)

d)

Nitrogen (atomic #7)

12.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

13.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

14.

What is a valence electron?

a)

Electrons in the first energy shell

b)

Electrons in the second energy shell

c)

Electrons in the outer shell

d)

Total number of electrons

15.

What is the mass of this atom?

a)

9

b)

10

c)

19

d)

28

16.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
Electrons and megatrons
17.

On the periodic table, Periods are

a)

Horizontal rows

b)

Vertical columns

18.

On the periodic table, Groups are

a)

Horizontal rows

b)

Vertical columns

19.

How many energy levels does this element have

a)

7

b)

5

c)

3

d)

2

20.

The period number is equal to

a)

The number of energy levels

b)

The number of electrons

c)

the number of protons

d)

The number of valence electrons

21.

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

a)

2

b)

6

c)

8

d)

10

22.

A __________ is a subatomic particle with a positive charge.

a)

proton

b)

neutron

c)

electron

d)

nucleus

23.

A __________ is a subatomic particle with a negative charge.

a)

proton

b)

neutron

c)

electron

d)

nucleus

24.

A __________ is a subatomic particle with a neutral charge.

a)

proton

b)

neutron

c)

electron

d)

nucleus

25.

How many electrons can go in the Second energy level?

a)

2

b)

8

c)

18

d)

32

26.

Elements in a .................. have similar chemical properties.

a)

period

b)

group

c)

row

27.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
28.

The elements along zig zag line on the periodic table of elements are:

a)

metals

b)

nonmetals

c)

metalloids

29.

The elements on the right side of the periodic table of elements are mainly:

a)

metals

b)

nonmetals

c)

metalloids

30.

The elements on the left side of the periodic table of elements are mainly:

a)

metals

b)

nonmetals

c)

metalloids

31.

The majority (most) of the elements are:

a)

metals

b)

nonmetals

c)

metalloids

32.

Which element is a noble gas?

a)

Fluorine (F)

b)

Krypton (Kr)

c)

Phosphorus (P)

d)

Aluminum (Al)

33.

How do you find the number of neutrons in an atom?

a)

Atomic Number

b)

Atomic Mass

c)

Atomic Mass - Atomic Number

d)

Atomic Number + Atomic Mass

34.
This class of elements are sometimes called "semiconductors."
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Groups
35.
Which of these is a property of metals?
a)

It's malleable (can be flattened)

b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
36.

Noble gases are..

a)

Stable and gaseous

b)

unstable and gaseous

c)

stable and liquids

d)

unstable and liquids

37.

Which TWO things identify the atom?

a)

protons

b)

neutrons

c)

atomic number

d)

mass

38.

Elements that have similar properties have the same number of

a)

energy levels

b)

Valence electrons

c)

protons

d)

neutrons

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