Answer:
six
Explanation:
Valence electrons are the electrons in the outermost shell, or energy level, of an atom. For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell.
Six!
Valence electrons are the electrons in the outermost shell of an atom.
Reaction Rate is the rate at which a substance undergoes a chemical change.
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