WorksheetsAtomic Models
Total questions: 9
Worksheet time: 5mins
Name
Class
Date
1.
What does Jhon Dalton atomic model resemble?
a)
Billiard Ball Model
b)
Quantum Mechanical Model
c)
Plum Pudding Model
d)
Nuclear Model
2.
Place the following atomic models in order, from earliest to latest:
A) Rutherford B) Thomson C) Dalton
a)
B, C, A
b)
C, A, B
c)
A, C, B
d)
C, B, A
3.
In the atomic model nicknamed the "plum pudding" model, what do the plums represent?
a)
the nucleus
b)
the atom
c)
the electrons
d)
the positive material
4.
Who proposed that electrons move around the nucleus in circular orbits?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
5.
These are found in the nucleus and have a positive charge.
a)
proton
b)
electron
c)
neutron
d)
moron
6.
These will determine what element an atom is.
a)
number of neutrons
b)
number of electrons
c)
number of atoms
d)
number of protons
7.
The atomic mass is the number of _______ plus ________.
a)
protons, electrons
b)
protons, neutrons
c)
electrons, neutrons
d)
quarks, neutrons
8.
How many protons does an O2 atom have?
a)
8
b)
24
c)
16
d)
When is lunch?
9.
Who named the positive center of the atom the "nucleus?"
a)
Democritus
b)
Dalton
c)
Thomson
d)
Rutherford
100 %
