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WorksheetsProtons, Electrons, Neutrons-1
Total questions: 15
Worksheet time: 17mins
Name
Class
Date
1.
What is the atomic mass of Neon?
a)
10
b)
20.18
c)
10.18
d)
20
2.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
3.
What is the atomic mass of Copper?
a)
63.546
b)
29
c)
29.546
d)
92
4.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
5.
What is the atomic mass of Gold?
a)
79
b)
196.97
c)
79.97
d)
275
6.
Carbon has how many protons?
a)
12
b)
6
c)
7
d)
4
7.
Bromine has how many Neutrons?
a)
35
b)
80
c)
45
d)
8
8.
How many electrons are in Manganese (Mn) ?
a)
12
b)
25
c)
55
d)
30
9.
Which two particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Molecules and Compounds
d)
Neutrons and Electrons
10.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
11.
What is the role of an electron in an atom?
a)
Electrons live inside the nucleus and carry a neutral charge.
b)
Electrons circle the nucleus and have a positive charge.
c)
Electrons circle the nucleus and have a negative charge.
d)
Electrons live inside the nucleus and have a negative charge.
12.
The number of neutrons equals...
a)
atomic number - mass number
b)
Protons - neutrons
c)
Electrons - protons
d)
mass number - atomic number
13.
Which description about the proton is accurate?
a)
Positively charged particle with a mass less than 0 amu
b)
A neutrally charged particle with a mass less than 0 amu
c)
Positively charged particle with a mass of 1 amu
d)
A neutrally charge particle with a mass of 1 amu
14.
The following element key shows how many protons?
a)
16
b)
15.999
c)
Oxygen
d)
8
15.
How many neutrons are in Tungsten
a)
110
b)
74
c)
183
d)
258
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