WorksheetsAtoms
Total questions: 18
Worksheet time: 11mins
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
Valence electrons are the number of
protons in the atom
electrons in the atom
protons + neutrons in the nucleus
electrons in the outside shell of the atom
