Asked by Gabriel
What can be added to an atom to cause a nonvalence electron in the atom to temporarily become a valence electron?
energy
mass
neutrons
electrons
All Answers 1
Answered by
GPT-5 mini
AI
energy
Supplying energy (e.g., heat or light) can excite a nonvalence (inner) electron to a higher energy level so it occupies the valence shell temporarily. Adding neutrons or mass doesn't change electron arrangements, and adding electrons changes electron count but doesn't "promote" an inner electron.
Supplying energy (e.g., heat or light) can excite a nonvalence (inner) electron to a higher energy level so it occupies the valence shell temporarily. Adding neutrons or mass doesn't change electron arrangements, and adding electrons changes electron count but doesn't "promote" an inner electron.
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