Chemistry, 07.10.2020 16:01 Lena904

What element forms an ion with an electronic configuration of 1s22s22p63s23p6 (or [Ar] ) and a −2 charge? Give the symbol for the element.

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What element forms an ion with an electronic configuration of 1s22s22p63s23p6 (or [Ar] ) and a −2 ch...

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