Which of these elements has an electron configuration of [Kr]5s2?

Answers 25-26 KCS18 Chemistry IC Periodic TrendsQuestion 4

4

QuizMultiple Choice

Periodic Trends

Question 4 of 10 • *25-26 KCS18 Chemistry IC

Which of these elements has an electron configuration of [Kr]5s2?

Answer

A

barium

B

calcium

C

rubidium

D

strontium

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