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WorksheetsReview: 2.01-2.03
Total questions: 20
Worksheet time: 40mins
Name
Class
Date
1.
Which scientist discovered the electron, which helped him develop a model of the atom?
a)
Niels Bohr
b)
John Dalton
c)
Ernst Rutherford
d)
J.J Thompson
2.
Who first had the idea of an atom?
a)
Democritus
b)
Dalton
c)
Thompson
d)
Rutherford
3.
Who first provided evidence of an atoms existence?
a)
Democritus
b)
Dalton
c)
Rutherford
d)
Thompson
4.
Who discovered the proton in the nucleus?
a)
Dalton
b)
Democritus
c)
Rutherford
d)
Thompson
5.
Which scientist developed the plum pudding/chocolate chip cookie model
a)
Dalton
b)
Thompson
c)
Rutherford
d)
Democritus
6.
Rutherford’s experiment determined that the nucleus of an atom is tiny, dense and ______ charged.
a)
positively
b)
negatively
c)
neutrally
7.
What particle of an atom was the discovered by Chadwick?
a)
Electron
b)
Proton
c)
Neutron
d)
Nucleus
8.
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
9.
What subatomic particle is electrically neutral (no charge)?
a)
Proton
b)
Ion
c)
Neurton
d)
Electron
10.
What subatomic particle(s) would be found orbiting the nucleus?
a)
Neutrons only
b)
Electrons only
c)
Protons and Neutrons
d)
Protons and Electrons
11.
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
12.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
13.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
14.
What are the 3 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
15.
An atoms overall charge is
a)
positive
b)
depends on its mood
c)
neutral
d)
negative
16.
What is the atomic 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
17.
The subatomic particle that determines the identity of an element.
a)
neutron
b)
proton
c)
electron
d)
outer shell
18.
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
19.
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
20.
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
a)
20
b)
10
c)
5
d)
25
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