Chemistry, 16.04.2020 02:54 erin5678

The electron configurations of two unknown elements are x and y. X: 1s2 2s2 2p6 Y: 1s2 2s2 2p6 3s2 3p5 which statement is most likely correct about the two elements

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The electron configurations of two unknown elements are x and y. X: 1s2 2s2 2p6 Y: 1s2 2s2 2p6 3s2 3...

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