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What are valence electrons?
A. the atomic mass

B. the atomic number

C. all of the electrons in an atom

D. electrons in the outermost energy level

Respuesta :

Answer: D

Explanation:

Answer:

D. electrons in the outermost energy level

Explanation:

an electron of an atom, located in the outermost shell (valence shell ) of the atom, that can be transferred to or shared with another atom.

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