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Chemistry, 23.02.2021 22:00 arod20061

An atom has the following electron configuration. 1s22s22p63s23p6452
How many valence electrons does this atom have?
2
3
5
11

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Answers: 1

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An atom has the following electron configuration. 1s22s22p63s23p6452
How many valence electr...
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