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WorksheetsParts of the Atom
Total questions: 14
Worksheet time: 28mins
Name
Class
Date
1.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
2.
What are the 3 subatomic particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
3.
An atom is made up mostly of
a)
protons
b)
gravity
c)
empty space
d)
electricity
4.
The center of the atom is called the :
a)
nucleus
b)
core
c)
brain
d)
energy center
5.
Parts of the atom that determine the identity of the atom (what kind of atom it is)
a)
Protons
b)
Neutrons
c)
Electrons
6.
Parts of the atom that are the smallest of the three subatomic particles
a)
Protons
b)
Neutrons
c)
Electrons
7.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons
8.
What subatomic particle is electrically neutral (no charge)?
a)
Proton
b)
Ion
c)
Neutron
d)
Electron
9.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
10.
What is the electrical charge on an electron ?
a)
positive
b)
negative
c)
neutral
11.
What subatomic particle(s) would be found orbiting the nucleus?
a)
Neutrons only
b)
Electrons only
c)
Protons and Neutrons
d)
Protons and Electrons
12.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
13.
The first energy level can hold up to how many electrons?
a)
8
b)
4
c)
2
d)
5
14.
The correct arrangement of electrons in the first four energy clouds is :
a)
8 : 8 ; 8 : 8
b)
2 : 4 : 6 : 8
c)
4 : 6 : 2 : 8
d)
2 : 8 : 8 : 18
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