WorksheetsAtomic structure
Total questions: 8
Worksheet time: 3mins
Name
Class
Date
1.
Who discovered the electron?
a)
Rutherford
b)
Thomson
c)
Bohr
d)
Dalton
2.
Which particle has a negative charge?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
3.
What is the center of an atom called?
a)
Shell
b)
Orbit
c)
Nucleus
d)
Electron cloud
4.
Which scientist proposed the plum pudding model?
a)
Bohr
b)
Thomson
c)
Rutherford
d)
Chadwick
5.
Who discovered the nucleus?
a)
Rutherford
b)
Dalton
c)
Bohr
d)
Thomson
6.
Which particle has no charge?
a)
Electron
b)
Proton
c)
Neutron
d)
Shell
7.
Atomic number is equal to number of..........?
a)
Electrons
b)
Protons
c)
Neutrons
d)
Shells
8.
The first Shell of an atom is called?
a)
L
b)
M
c)
N
d)
K
100 %
