Physics
894679487
2021-04-09 16:27:27
An atom of element X has one more shell of electrons than an atom of beryllium, but it has one less valence electron than beryllium. Which element is element X?
ANSWERS
Jdasr13
2021-04-09 21:25:33

Element X should be Lithium. not entirely certain. Could be wrong. this would be easier if you included the options.

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