Chemistry

Chemistry, 02.12.2020 08:30, theoriginalstal9245

Use the periodic to fill in the numbers in the electron configurations shown below. B: 1s2 2sA2pB

A =
2
B =
1
Na: 1s22sC2pD3sE

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Use the periodic to fill in the numbers in the electron configurations shown below. B: 1s2 2sA2pB

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