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Vocab

Across
Each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons
An SI unit which measures the number of particles in a specific substance
Standard unit of mass that quantifies mass on an atomic or molecular level
A particle representing a quantum of light or other electromagnetic radiation
A subatomic particle of about the same mass as a proton but without an electric charge
A stable subatomic particle with a charge of negative electricity
Number of protons in the nucleus of an atom
Down
A stable subatomic particle occurring in all atomic nuclei
Positively charged ion
The total number of protons and neutrons in a nucleus
Outer shell electron that is associated with an atom
Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei
The brain of a cell
A negatively charged ion