WorksheetsCh. 4 Test
Total questions: 8
Worksheet time: 14mins
The basic unit of a chemical element.
Proton
Electron
Atom
Neutron
The number of protons and neutrons in an atom.
Atomic number
Atomic mass
Mass number
Atomic symbol
The positive subatomic particle found in the nucleus of an atom.
Proton
Electron
Atom
Neutron
The negatively charged particle found in the shell of an atom.
Proton
Electron
Atom
Neutron
Which subatomic particle is the smallest?
Proton
Electron
Neutron
They’re all the same size
What are the symbols and charges for each subatomic particle?
Proton: p+, Neutron: n0, Electron: e-
Proton: p-, Neutron: n+, Electron: e0
Proton: p0, Neutron: n-, Electron: e+
Write the hyphen notation for the following isotopes (2 pts each): a. Mass number of 22 and atomic number of 11
Sodium-22
Neon-22
Magnesium-22
Aluminum-22
Which isotope has 4 neutrons?
