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1. 1s²2s²2p⁶3s² 2. 1s²2s²2p⁶3s²3p⁵ 3. 1s²2s²2p⁶3s²3p⁶4s¹ 4. 1s²2s²2p⁵ 5. 1s²2s²2p⁶3s²3p³ a. k19 b. p15 c. mg12 d. Cl17 e. f9​

Sagot :

Answer:

C. The answer

I hope it

Explanation:

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Answer:

letter C

Explanation:

correct answer C