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WorksheetsInside the atom
Total questions: 11
Worksheet time: 2mins
Name
Class
Date
1.
The centre of an atom is the:
a)
Newcleus
b)
Nuclus
c)
Nuclues
d)
Nucleus
2.
Positively charged subatomic particles are called:
a)
Protins
b)
Protens
c)
Protons
d)
Protions
3.
4. This atomic particle balances the charges from the protons to make the atom neutral
a)
proton
b)
electron
c)
neutron
d)
nucleus
4.
5.These particles are found in the nucleus
a)
protons and electrons
b)
protons and neutrons
c)
nucleus and neutrons
d)
electrons and neutrons
5.
8.How many electrons does the first shell hold?
a)
1
b)
2
c)
4
d)
8
6.
9. Electron shells are numbered 1, 2, 3, 4. Their corresponding lettered shells are:
a)
N, O, P, Q
b)
K, L, M, N
c)
L, M, N, O
d)
A, B, C, D
7.
10.All matter is made of atoms
a)
true
b)
false
8.
7.How many electrons does this oxygen atom have?
a)
6
b)
8
c)
16
d)
24
9.
a)
2
b)
8
c)
3
d)
13
10.
How many valence electrons does carbon have?
a)
4
b)
5
c)
6
d)
7
11.
Valence electrons are:
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
d)
Electrons in the second shell
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