NEW
Font size
S
M
L
XL
WorksheetsAtoms
Total questions: 14
Worksheet time: 9mins
Name
Class
Date
1.
The nucleus of an atom is made up of protons, neutrons and electrons?
a)
True
b)
False
2.
The atoms of any element have a different number of protons than the atoms of all the other elements?
a)
True
b)
False
3.
Isotopes of an element have the same mass number but different atomic numbers because they contain a different number of protons?
a)
True
b)
False
4.
Protons are positively charged and neutrons are negatively charged.
a)
True
b)
False
5.
A Boron-10 atom has more neutrons than a Boron-11 atom?
a)
True
b)
False
6.
Hydrogen has an atomic number of 1. This means that it has 1 proton.
a)
True
b)
False
7.
The Gold Foil experiment was conducted by:
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
8.
Thomson nicknamed his model the:
a)
Planetary Orbit Model
b)
Plum Pudding Model
c)
Bohr Model
d)
Cloud Model
9.
What type of particle did Rutherford use to shoot at the gold foil in the Gold Foil experiment?
a)
Beta
b)
Alpha
c)
Omega
d)
Protons
10.
One of the first people to state that matter is made up of atoms was:
a)
Dalton
b)
Democritus
c)
Aristotle
d)
Rutherford
11.
Dalton's model of atom is best described as:
a)
a solar system
b)
a plum pudding
c)
a solid sphere
d)
an electron cloud
12.
Almost all the mass of an atom is located in its
a)
protons
b)
neutrons
c)
electron cloud
d)
nucleus
13.
Which particle is the least massive
a)
proton
b)
neutron
c)
electron
d)
nucleus
14.
The atomic number of Sulfur is 16. How many electrons are there in a atom of sulfur-34?
a)
34
b)
18
c)
16
d)
50
Reset
