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WorksheetsAtomic Structure
Total questions: 25
Worksheet time: 25mins
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.
What is the mass of a proton and a neutron?
a)
1amu
b)
2grams
c)
13amu
d)
10cm
4.
An electron has a _____ charge.
a)
negative
b)
positive
c)
neutral
5.
What are the maximum number of electrons that go on the first 3 energy levels?
a)
2,4,16
b)
2,8,8
c)
4,8,12
d)
3,4,6
6.
What are valence electrons?
a)
electrons on the first orbital always
b)
nucleus
c)
the outermost shell
d)
the number of electrons on the outermost orbital
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.
a)
neutrons
b)
protons and electrons
c)
protons and neutrons
d)
atomic mass
9.
What charge does the nucleus have and why?
a)
positive - the neutrons do not have a charge
b)
positive - the neutrons and protons are positively charged particles
c)
neutral - the neutral charge dominates the positive charge
d)
neutral - electrons cancel out the positive charge of the atom
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 11 and an atomic number of 5 has how many neutrons?
a)
11
b)
5
c)
6
d)
16
12.
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
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.
An atom has 13 protons, 15 neutrons and 13 electrons what is its mass number?
a)
13
b)
26
c)
28
d)
15
15.
Most of the mass of an atom is contained here.
a)
electron orbitals
b)
nucleus
c)
shells
d)
atomic #
16.
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 #
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 balance the charge of an atom.
a)
True
b)
False
19.
The mass of one proton is greater than the mass of one...
a)
neutron
b)
electron
20.
Which letter represents a proton?
a)
A
b)
B
c)
C
d)
D
21.
Which letter represents an electron?
a)
A
b)
B
c)
C
d)
D
22.
Which letter represents the nucleus?
a)
A
b)
B
c)
D
d)
E
23.
What is the atomic number of the atom pictured?
a)
9
b)
10
c)
18
d)
19
24.
You can find the mass of an atom by -
a)
Protons + Neutrons
b)
Protons - Electrons
c)
Protons - Neutrons
d)
Neutrons + Neutrons
25.
What is the saying to help us remember how to find the number of subatomic particles in an atom?
a)
APE WOMAN
b)
APE MAN
c)
GORILLA MAN
d)
CHIMPANZEE MAN
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