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atomic structure

QuestionAnswer
What is the charge of protons positive charge (+1)
what is the charge of neutrons neutral (0)
what is the charge of electrons negative (-1)
The middle of an atom contains protons and neutrons
what moves around the shells (levels) electrons
what is the mass number number of protons and also the number of neutrons(mass number - atomic number)
what is the atomic number number of protons (also number of electrons)
A element is atoms that have the same number of protons in their nucleus
A compound is atoms joined together
A mixture is at least 2 different elements or compounds
Created by: ellejelly12