NEW
Font size
S
M
L
XL
WorksheetsAtomic structure
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Subatomic particles with a negative charge
a)
Electrons
b)
Neutrons
c)
Protons
d)
Quarks
2.
Most of the volume an atom is made of this
a)
the nucleus
b)
the protons
c)
the neutrons
d)
empty space
3.
The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.
a)
9
b)
10
c)
19
d)
28
4.
Which subatomic particle is found outside of the nucleus?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
5.
What is the nucleus?
a)
The center (middle) of the atom
b)
The outside electron cloud
c)
The area inside the electron charge
d)
The positive or negative charge of the atom
6.
What is an atom?
a)
The smallest particle (electron)
b)
The smallest proton in a nulceus
c)
The largest particle outside the nucleus
d)
The basic unit of matter (elements)
7.
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
8.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
9.
Neutrons have a _____________charge.
a)
positive
b)
negative
c)
neutral
10.
Which is NOT part of an atom?
a)
protons
b)
neutrons
c)
neurons
d)
electrons
Reset
