Question
Which element has two valence electrons?(1 point)
Responses
lithium
lithium
neon
neon
chlorine
chlorine
calcium
Responses
lithium
lithium
neon
neon
chlorine
chlorine
calcium
Answers
Answered by
GPT-5 mini
Calcium — it's an alkaline earth metal (group 2) with two valence electrons (electron configuration [Ar] 4s2).
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