NEW
Font size
S
M
L
XL
WorksheetsAtomic Structure Practice
Total questions: 16
Worksheet time: 9mins
Name
Class
Date
1.
Which subatomic particle has a positive (+) charge?
a)
Neutron
b)
Proton
c)
Electron
2.
Which subatomic particle has a negative (-) charge?
a)
Proton
b)
Electron
c)
Neutron
3.
Which subatomic particle has a neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron
4.
Where is the nucleus located in an atom?
a)
Near the electron shells/levels
b)
Near the center of an atom
5.
Where are the Electrons found in the structure of an atom?
a)
In the nucleus
b)
In spaces around the nucleus
6.
In this picture, the Electrons are found in which color?
a)
Blue
b)
Red
c)
Green
7.
The Atomic number is known as the _______
a)
Number of electrons in an atom
b)
Number of Protons in an atom
c)
Number of neutrons in an atom
d)
Number of Protons and electrons in an atom
8.
How many electron shells/levels does this atom have?
a)
1
b)
2
c)
3
d)
4
9.
How many protons does this atom have?
a)
3
b)
6
c)
4
d)
2
10.
The name of this particle means indivisible and it is the building block of matter
a)
molecule
b)
compound
c)
atom
d)
isotope
11.
The mass of an atom is
a)
equal to the number of protons
b)
the protons + electrons
c)
the protons + neutrons
d)
the protons + neutrons + electrons
12.
In a neutral atom,
a)
protons = electrons
b)
protons = neutrons
c)
neutrons = electrons
d)
protons = neutrons = electrons
13.
All ____________ are made up of two or more atoms bonded together.
a)
atoms
b)
molecules
c)
electrons
d)
elements
14.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
15.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
16.
How is the number of neutrons in the nucleus of an atom calculated?
a)
Add the number of e- and p+ together
b)
Subtract the number of e- from p+
c)
Subtract the number of p+ from the mass number
d)
Add the mass number to the number of e-
Reset
