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WorksheetsAtoms and Molecules
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Which statement about atoms is FALSE?
a)
Atoms contain subatomic particles
b)
Atoms are the building blocks of matter
c)
Atoms can be created and destroyed
d)
Atoms can combine
2.
What holds atoms together to make a molecule?
a)
Glue
b)
Bonds
c)
Magnetism
d)
Cement
3.
This is a depiction
of a Helium atom.
What is pictured in red?
By User:Yzmo - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2246091
of a Helium atom.
What is pictured in red?
By User:Yzmo - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2246091
a)
Electron
b)
Proton
c)
Neutrino
d)
Positron
4.
What model of the atom is this?
a)
Bohr Model
b)
Thomson Model
c)
Electron Cloud Model
d)
Rutherford Model
5.
What is this?
By DynaBlast - Created with Inkscape, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=995735
By DynaBlast - Created with Inkscape, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=995735
a)
A methane element
b)
A methane molecule
c)
A methane compound and molecule
d)
A methane atom
6.
What determines what element an atom is?
a)
The number of electrons
b)
The number of neutrons
c)
The number of protons
d)
The formula of the atom
7.
What particle in the atom has no charge?
a)
Neutron
b)
Proton
c)
Electron
d)
Nucleus
8.
What is this?
a)
A molecule of glucose
b)
An atom of glucose
c)
A cell of glucose
d)
An element of glucose
9.
Which model of the atom came about from experiments with a cathode ray tube? This also led to the discovery of the electron.
a)
Rutherford Model
b)
Dalton Model
c)
Thomson Model
d)
Bohr Model
10.
Why does the radius of an atom get larger as you move down the periodic table?
a)
Because of the addition of electron shells
b)
Because of the addition of protons in the nucleus
c)
Because of the addition of neutrons in the nucleus
d)
Because of the formation of molecules
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