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Atom Practice 7th

This is a beginners atom practice for 7th graders.

QuestionAnswer
Atomic number is the number of what in an atom? Protons
What are the three subatomic particles in an atom? Protons, Neutrons, Electrons
Which two subatomic particles have around the same mass? Protons and Neutrons
What is the only chemical in the periodic table with the atomic number, "-1"? Electron
What is a protons charge? Positive
What is a neutrons charge? Neutral
What is an electrons charge? Negative
What is atomic mass? Mass of an atom
What is mass? measurement of the amount of matter in an object
What is an atomic number? The amount of protons in an atom
What is an "electron cloud" and where is it located? Region of negative charge surrounding an atomic nucleus
Created by: user-1711058
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