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When the nucleus of an atom contains a constant number of protons but a variable number of neutrons, the atom is called a(n)? 1) element 2) isotope 3) valence 4) dalton
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When the nucleus of an atom contains a constant number of protons but a variable number of neutrons, the atom is called a(n)?

1) element
2) isotope
3) valence
4) dalton

User Kinder Chen
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1 Answer

6 votes

Answer:

The atom is 2.) isotope

User RuNpiXelruN
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