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WorksheetsAtomic structure
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
Which subatomic particle has a negative charge?
a)
Electron
b)
Proton
c)
Neutron
d)
None of the above
2.
Matter is built up of
a)
Solid liquid gas
b)
Atoms, Molecules , Radicals
c)
Plastic
d)
Small particles
3.
What is a subatomic particle with a positive charge that is in the nucleus of an atom?
a)
neutron
b)
proton
c)
electron
d)
valence electron
4.
Protons are...
a)
Negatively charged particles
b)
Positively charged particles
c)
They have no charge
5.
Protons are...
a)
Negatively charged particles
b)
Positively charged particles
c)
They have no charge
6.
Protons are...
a)
Negatively charged particles
b)
Positively charged particles
c)
They have no charge
7.
How many electrons does helium have?
a)
1
b)
3
c)
2
d)
4
e)
5
8.
Valency of hydrogen
a)
1
b)
2
c)
3
d)
4
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