Terms/Questions per Day
Terms
45 new/unreviewed 45 total
Term
Atomic number
Definition
The number of protons in an atom’s nucleus
New/Unreviewed
Term
Mass number
Definition
The number of protons and neutrons in an atom’s nucleus
New/Unreviewed
Term
Atom
Definition
An electrically neutral particle because it has an equal number of protons and electrons
New/Unreviewed
Practice Test Scores
Practice Tests
0 total
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