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mote1985 [20]
3 years ago
15

How many valence electrons does an atom of rubidium (Rb atomic number 37) have? A.One B.Five C.Six D.37

Chemistry
2 answers:
aalyn [17]3 years ago
6 0

Rubidium has one valence electron, which is located in the s-orbital of the atom's fifth energy level. So the answer is A. One.

nadezda [96]3 years ago
4 0
Electronic configuration of Rb: 2.8.8.8.8.3
Valence electron is 3....
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