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WorksheetsAll About Atoms!
Total questions: 20
Worksheet time: 7mins
Name
Class
Date
1.
What is an atom?
a)
the smallest unit of life
b)
the smallest unit of matter
c)
anything that has mass and takes up space
d)
anything that has mass and gravity
2.
The 3 subatomic particles are ____________, ________________, and _____________ .
a)
protons, neutrons, and quarks
b)
protons, volume, and electrons
c)
protons, neutrons, and carbon
d)
protons, neutrons, and electrons
3.
What are the parts of an atom?
a)
nucleus, shells/orbits
b)
nucleus, Golgi body, cell wall
c)
nucleus, chloroplasts, cell wall
4.
The nucleus of an atom has a _____________ charge.
a)
positive
b)
negative
c)
neutral
5.
What is the charge of a proton?
a)
negative
b)
neutral
c)
positive
6.
True or False: Two different elements can have the same atomic number.
a)
True
b)
False
7.
What is the charge of a neutron?
a)
negative
b)
neutral
c)
positive
8.
What is the charge of an electron?
a)
negative
b)
neutral
c)
positive
9.
Which subatomic particles are located in the shells/orbits of an atom?
a)
electrons
b)
neutrons
c)
protons
d)
quarks
10.
True or False: Protons have a positive charge.
a)
True
b)
False
11.
In a balanced element, the number of ______________ equals the number of __________ .
a)
protons and neutrons
b)
neutrons and electrons
c)
protons and electrons
12.
True or False: The atomic mass of an element is the same as the atomic number.
a)
True
b)
False
13.
The atomic mass of an atom consists of the number of protons plus the number of neutrons.
a)
True
b)
False
14.
What is the atomic mass of an element?
a)
the number of electrons
b)
the number of neutrons
c)
the number of protons
d)
the number of protons and neutrons
15.
True or False: The atomic number is the number of protons found in an element.
a)
True
b)
False
16.
Which subatomic particles are located in the nucleus?
a)
protons and neutrons
b)
protons and electrons
c)
neutrons and electrons
d)
protons, neutrons, and electrons
17.
What is the atomic number of an element?
a)
the number of electrons
b)
the number of neutrons
c)
the number of protons
d)
the number of protons and neutrons
18.
True or False: Neutrons have a negative charge.
a)
True
b)
False
19.
True or False: Electrons are large and found in the nucleus of an atom.
a)
True
b)
False
20.
True or False: Neutrons and Protons are larger than electrons.
a)
True
b)
False
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