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Protons
Has a positive charge. Also the same number as the Atomic Number.
Neutrons
No charge, found in the nucleus of an atom.
Electrons
Negative Charge, surrounds the nucleus and is also the same number as atomic number most times .
Z Number
Also known as the atomic number. The atomic number identifies the element
Isotopes
When elements has the same number of protons and electrons but different number of neutrons
Atomic Mass
“A” is another name for atomic mass. You can find the atomic mass by subtracting the atomic number from the mass number.
Anions
Negatively charged ions
Cations
Positively charged ions