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Isotopes of some elements can be unstable (radioactive) because they have too many or too few * A-Energy Levels B-Electrons C-Neutrons D-Protons
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44 votes
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Isotopes of some elements can be unstable (radioactive) because they have too many or too few *

A-Energy Levels
B-Electrons
C-Neutrons
D-Protons

User Enthusiasticgeek
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1 Answer

30 votes
30 votes

Answer:C

Step-by-step explanation:

User Anand Sunderraman
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