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OpenStudy (anonymous):
Which of the following elements has five (5) valence electrons? A.B B.Rb C.Mg D.N I am thinking its D am I right?
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OpenStudy (anonymous):
B - Boron - Has 3 Rb - Rubidium - Has 2 Mg - Magnesium - Has 2 N - Nitrogen - Can have 5 So yes, you are correct :)
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