Worksheetsatomic structure
Total questions: 6
Worksheet time: 3mins
Name
Class
Date
1.
What electrical charge does a proton have?
a)
+1
b)
0
c)
-1
d)
+2
2.
Which subatomic particles are found in the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons, Neutrons and Electrons
3.
What is the electron configuration of carbon?
a)
1s2 2s2 2p4
b)
1s2 2s2 2p1
c)
1s2 2s2 2p2
d)
1s2 2s1 2p3
4.
How many electrons does helium have?
a)
1
b)
3
c)
2
d)
4
e)
5
5.
Matter is built up of
a)
Solid liquid gas
b)
Atoms, Molecules , Radicals
c)
Plastic
d)
Small particles
6.
Valency of carban
a)
1
b)
2
c)
3
d)
4
100 %
