Mass number, atomic number and isotopes Flashcards by Unknown Unknown | Brainscape

Q

Atomic Number Z

A

atomic number Z = number of protons

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Q

Mass number A

A

mass number A = protons + neutrons

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Q

What is an Isotope?

A

Atom with same number of protons but different number of neutrons
Vary in mass number (12C 13C 14C)

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