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Isotopes Quiz


Isotopes are basically... Different versions of the same atom
Isotopes have the same number of _____, but have a different number of _____. Protons; neutrons
The number of protons is equal to the _____ number. Atomic
The mass number is equal to the number of ____ and ____ combined. Protons; neutrons
In isotopic writing: the top left corner is the ____ number; the bottom left is the ____ number (= to the number of protons) Mass; atomic
In isotopes, the protons never change; only the ___ do. Neutrons
Created by: mma129