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WorksheetsAtomic Structure
Total questions: 17
Worksheet time: 1hrs 25mins
Name
Class
Date
1.
Anything that takes up space and has mass.
a)
Mass
b)
Proton
c)
Weight
d)
Matter
2.
J.J. Thompson discovered the ____________. His model is called the plum pudding model which we sometimes call the chocolate chip model.
a)
proton
b)
electron
c)
neutron
d)
nucleus
3.
Subatomic particle that determines the name of an atom. It has a positive charge and is located in the nucleus of an atom.
a)
Electron
b)
Neutron
c)
Proton
d)
Voltron
4.
Subatomic particle that has no charge and is located in the nucleus of an atom.
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
5.
The experiment used by Ernest Rutherford to discover the nucleus of an atom.
a)
Cathode Ray Experiment
b)
Gold Foil Experiment
c)
Reflector Experiment
d)
Plum Pudding Experiment
6.
What two subatomic particles effect the mass of an atom?
a)
Electrons & Protons
b)
Protons & Neutrons
c)
Neutrons & Electrons
7.
True or False: Electrons do not orbit around the nucleus of an atom in neat planet orbits but instead move at high speeds in an electron cloud.
a)
True
b)
False
8.
True or False: Only living organisms are made up of atoms.
a)
True
b)
False
9.
Who came up with this model of an atom?
a)
J.J. Thompson
b)
Ernest Rutherford
c)
Neils Bohr
d)
James Chadwick
10.
Who discovered the nucleus of an atom?
a)
John Dalton
b)
Ernest Rutherford
c)
James Chadwick
d)
Neils Bohr
11.
Subatomic particle that has a negative charge and is located outside of the nucleus.
a)
Electron
b)
Proton
c)
Neutron
d)
Voltron
12.
What was INCORRECT about John Dalton's theory about atoms?
a)
All matter is made of atoms
b)
Atoms are indivisible
c)
Atoms are too small to see
d)
Atoms of a given element are identical
13.
True or False: All matter is made up of atoms.
a)
True
b)
False
14.
What subatomic particle changes the name of the atom?
a)
Neutron
b)
Proton
c)
Voltron
d)
Electron
15.
What two particles effect the charge of an atom?
a)
Electrons & Neutrons
b)
Protons & Electrons
c)
Neutrons & Protons
16.
The sum of the protons and neutrons in an atom.
a)
Atomic Number
b)
Mass Number
c)
Sum Number
d)
Nuclear Number
17.
True or False: The majority of an atom is made up of empty space
a)
True
b)
False
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