WorksheetsAtomic Structure
Total questions: 21
Worksheet time: 20mins
Name
Class
Date
1.
Which particle has a positive charge?
a)
electron
b)
orbital
c)
proton
d)
neutron
2.
Choose the particle that has no charge.
a)
nucleus
b)
neutron
c)
proton
d)
electron
3.
This particle determines what element you have - the elements identity.
a)
electron
b)
proton
c)
neutron
d)
valence shell
4.
What is the mass of each, protons and neutrons?
a)
1 amu
b)
2 grams
c)
10 amu
d)
1 gram
5.
An electron has a _____ charge.
a)
negative
b)
positive
c)
neutral
6.
What are the maximum number of electrons that go on the first 3 energy levels?
a)
2,4,16
b)
2,8,18
c)
4,8,12
d)
3,4,6
7.
Which particles make up the nucleus of an atom?
a)
protons and neutrons
b)
electrons and protons
c)
electrons, protons, and neutrons
d)
electrons and neutrons
8.
The particles of the atom you can find by knowing the atomic number, assuming the atom is neutrally charged.
a)
neutrons
b)
protons and electrons
c)
protons and neutrons
d)
atomic mass
9.
The subatomic particle that determines the identity of an element.
a)
neutron
b)
proton
c)
electron
d)
outer shell
10.
What is the mass number and name of an element with 8 protons and 8 neutrons?
a)
16 - Carbon
b)
16 - Oxygen
c)
24 - Oxygen
d)
8 - Neon
11.
An element with a mass number of 10 and an atomic number of 6 has how many protons?
a)
5
b)
8
c)
6
d)
10
12.
An element with a mass number of 11 and an atomic number of 5 has how many neutrons?
a)
11
b)
5
c)
6
d)
16
13.
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
a)
20
b)
10
c)
5
d)
25
14.
Most of the mass of an atom is contained here.
a)
electron orbitals
b)
nucleus
c)
shells
d)
atomic #
15.
What is the number that gives you the element and the number of protons contained in each elemental atom?
a)
atomic mass
b)
mass number
c)
symbol
d)
atomic #
16.
The two subatomic particles that make up the mass of the atom are the _____ and the _____.
a)
proton, neutron
b)
proton, electron
c)
neutron, electron
d)
electron, energy levels
17.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
18.
Protons and electrons are both charged particles.
a)
True
b)
False
19.
What is the element name of the atom pictured?
a)
Fluorine
b)
Neon
c)
Argon
d)
Potassium
20.
What is an atom mostly made up of?
a)
protons
b)
electrons
c)
empty space
d)
neutrons
21.
Which letter represents the electron cloud?
a)
A
b)
B
c)
D
d)
E
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