Social Sciences, asked by raja8337, 4 months ago

1s2 2s2 2p6 3s2 3p6 4s1.
find atomic

Answers

Answered by lazygirl25

1

Answer:

1s2, 2s2, 2p6, 3s2, 3p6, 4s1=19

Explanation:

potassium = 19 is a atomic no

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