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Total questions: 30
Worksheet time: 3hrs 30mins
Where is the element's atomic NUMBER located?
the top
the bottom
the top + the bottom
the number of protons + the number of neutrons
Where is the element's atomic MASS located?
at the top
at the bottom
the top number + the bottom number
the number of protons + the number of neutrons
What are the 3 subatomic particles of an atom?
carbon atom, proton, electron
quarks, neutrons, protons
nucleus, protons, electrons
protons, neutrons, electrons
Generally, the number of neutrons ____ the number of protons in an atom.
=
<
>
Which subatomic particle has a negative charge?
proton
neutron
electron
Which subatomic particle has a positive charge?
proton
neutron
electron
Which subatomic particle has a neutral or no charge?
proton
neutron
electron
Which subatomic particles contribute the most to the mass of an atom?
Protons and Neutrons
Protons only
Electrons only
Which subatomic particles contribute the least to the mass of an atom?
Neutrons
Protons
Electrons
This image is a model of...
an element
a compound
a homogenous mixture
a heterogeneous mixture
This picture is a model of...
an element
a compound
a homogenious mixture
a heterogeneous mixture.
The image below is an example of
a homogeneous mixture
a compound
a heterogeneous mixture
an element
The image below is an example of
an atom
a molecule
a homogeneous mixture
a heterogeneous mixture
