Chemistry, 10.06.2020 03:57, MoltenSansriel1933

The electron configuration of two unknown element Xand Y are shown. X:1s2 2s2 2p6 Y:1s2 2s2 2p6 3p5 which statement is most likely correct about the two elements

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The electron configuration of two unknown element Xand Y are shown. X:1s2 2s2 2p6 Y:1s2 2s2 2p6 3p5...