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Unit 2 Review

Total questions: 61

Worksheet time: 40mins

Name
Class
Date
1.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
2.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
3.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
4.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
5.

Atoms are made up of ________________

a)

energy

b)

electrons

c)

subatomic particles

d)

gasses

6.

The subatomic particles that make up an atom.

a)

solid, liquid, gas

b)

electrons, protons, nucleus

c)

energy, protons, nucleus

d)

electrons, protons, neutrons

7.

__________ are negatively charged particles that are in the orbitals around the nucleus.

a)

protons

b)

nucleus

c)

neutrons

d)

electrons

8.

A proton has a ___________ charge.

a)

positive

b)

negative

c)

neutral

d)

massive.

9.

An electron has a _________ charge

a)

positive

b)

neutral

c)

negative

d)

massive

10.

A neutron has _________ charge or is ________.

a)

negative ... neutral

b)

positive .... neutral

c)

no .... negative

d)

no ... neutral

11.
Which is an electron?
a)
A
b)
B
c)
C
12.

The smallest part of any element. Made up of protons, neutrons and electrons.

a)

Atom

b)

AMU

c)

Ion

d)

Isotope

13.

The negatively charged particles in an atom

a)

Proton

b)

Electron

c)

Neutron

d)

Electron Cloud

14.

Which TWO of the following subatomic particles are inside the nucleus?

a)

protons

b)

electrons

c)

neutrons

d)

There are no subatomic particles in the nucleus of an atom.

15.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
16.

How many atoms of Hydrogen are in H2O

a)

1

b)

2

c)

3

d)

more than 3

17.

How many atoms of Hydrogen are in this compound?

a)

1

b)

2

c)

3

d)

4

18.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
19.

The subatomic particles that make up an atom.

a)

solid, liquid, gas

b)

electrons, protons, nucleus

c)

energy, protons, nucleus

d)

electrons, protons, neutrons

20.

What is the chemical symbol for Hydrogen

a)

H

b)

He

c)

Hy

d)

Hg

21.

What is this subatomic particle that has positive charge?

a)

Electron

b)

Neutron

c)

Proton

d)

Megatron

22.

What property determines if an atom is identified as Chlorine?

a)

it has 18 neutrons

b)

it has an atomic mass of 35

c)

it has 17 protons

d)

Its element symbol is Cl

23.

How many protons are in a Chlorine atom?

a)

17

b)

35

c)

35.45

d)

18

24.

How many electrons are in a Chlorine atom?

a)

17

b)

35

c)

35.45

d)

18

25.

How many neutrons are in an average Chlorine atom?

a)

17

b)

35

c)

35.45

d)

18

26.
What is the atomic mass of Neon?
a)
10
b)
20.18
c)
10.18
d)
30.18
27.

How many electrons does a Copper atom have?

a)

63

b)

29

c)

92

d)

34

28.

How many neutrons does a Hydrogen atom have?

a)

1

b)

2

c)

3

d)

0

29.

How many protons are in a phosphorus atom?

a)

15

b)

16

c)

31

d)

46

30.

The nucleus of an atom contains which subatomic particles?

a)

protons and electrons

b)

protons and neutrons

c)

electrons and neutrons

d)

protons, electrons, and neutrons

31.
The atomic number is equal to _.
a)
the number of protons and electrons
b)
the number of neutrons only
c)
the total number of protons and neutrons
d)
the number of protons neutrons and electrons
32.

How many neutrons are in a Phosphorus atom?

a)

15

b)

30.9738

c)

16

d)

31

33.

The nucleus contains which of the following particle(s)?

a)

Neutrons

b)

Electrons

c)

Photons

d)

Protons

34.

Arrange the subatomic particles so they are listed by charge:

Negative, Neutral, Positive

a)

Electrons

b)

Neutrons

c)

Protons

1)
2)
3)
35.

The atomic number is equal to which subatomic particle?

a)

Protons

b)

Neutrons

c)

Electrons

36.

What is the atomic number for silicon?

(a)  

37.

An atom has an atomic number of 11. How many protons will the atom have?

(a)  

38.

How many protons would an atom of strontium have?

(a)  

39.

Mass number is calculated by getting the sum of which 2 of the following?

a)

Number of Neutrons

b)

Number of Protons

c)

Number of Electrons

40.

An atom has 10 protons and 12 neutrons. What is the mass number?

(a)  

41.

An atom of iron has 30 neutrons. What is the mass number?

(a)  

42.

Zinc has a mass number of 64. How many neutrons does it have?

a)

64

b)

30

c)

34

43.

Potassium has a mass number of 39. How many protons does it have?

a)

39

b)

19

c)

20

44.

Net charge related which two subatomic particles?

a)

Neutrons

b)

Protons

c)

Electrons

45.

When an atom has a net charge, it is considered an...

(a)  

46.

If the number of protons and the number of electrons are equal, the net charge will be...

a)

Positive

b)

Neutral

c)

Negative

47.

What is the net charge of an atom with 15 protons and 12 electrons?

(a)  

48.

What is the net charge of an atom with 7 protons and 8 electrons?

(a)  

49.

An atom of oxygen has a - 2 charge, how many electrons does it have?

a)

8

b)

10

c)

6

50.

An atom of fluorine has a -1 charge, how many protons does it have?

a)

10

b)

8

c)

9

51.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom
52.

Isotopes of an element have a different number of...

a)

Protons

b)

Neutrons

c)

Electrons

d)

Mass

53.
How many neutrons in C-14?
a)
6
b)
7
c)
14
d)
8
54.
How many neutrons does an atom of the isotope Neon-22 have?
a)
12
b)
10
c)
22
d)
20
55.
How many neutrons does a Sodium 24 isotope have?
a)
12
b)
13
c)
14
d)
15
56.

76 protons and 114 neutrons

a)

Osmium-114

b)

Osmium-76

c)

Osmium-190

d)

Osmium-190.23

57.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
58.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70
59.
The photo above shows the isotopic notation for which isotope?
a)
Carbon 12
b)
Carbon 13
c)
Carbon 14
d)
Carbon 15
60.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons 
d)
mass number
61.
What is the name of the pictured isotope?
a)
Copper-29
b)
Copper-63
c)
Copper-34
d)
CopperWopperHopperBopper

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