The number of electron energy levels in a magnesium atom is 02 O3 ООО

Question

Question

science chemistry

Answer 1

Answer #1

Number of electron in Mg = 12
Electronic configuration is 1s2 2s2 2p6 3s2

The different energy levels are:
1s
2s
2p
3s

So, there are 4 different energy levels

Answer: 4

Answer 2

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