flash cards

Willis, Chp4, Pt2

Question Answer
An atom that has the same number of proton as other atoms, but has a different number of neutrons isotope
Isotopes that are unstable are called radioisotopes
If an atom looses an electron, it becomes what? charged
An atom that is charged is called what? ion
The number of protons in the nucleus is what number? atomic number
The sum of the numbers of protons and neutrons in the nucleus is what number? mass number

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