WorksheetsPeriodic Table of Elements and The Atomic Model
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The symbol for Hydrogen is
a)
H
b)
He
c)
Hg
d)
Ho
2.
Calcium has an atomic number of 20. What is the atomic mass?
a)
20
b)
40
3.
Helium has a proton number of 1 What is the atomic number
a)
0
b)
1
c)
2
d)
3
4.
What is the symbol of Calcium
a)
C
b)
Ca
c)
Cl
d)
Cal
5.
How many electrons does Nitrogen have?
a)
7
b)
14
c)
21
6.
Protons have what kind of electrical charge
a)
Negative (-)
b)
Positive (+)
c)
No charge
7.
What electrical charge does electrons have
a)
Negative charge (-)
b)
Positive charge (+)
c)
No charge
8.
Neutrons carry a
a)
Negative charge (-)
b)
Positive charge (+)
c)
No charge
9.
J.J. Thompson discovered the electrons. He said the atom model looked like
a)
Bread
b)
Ice cream
c)
Cookie dough
10.
How many electrons does Neon have
a)
2
b)
8
c)
10
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