The molecule is the representative particle of molecular compounds. It is also the representative particle of diatomic elements.
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1 cg ---------- 0.1 dg
457 cg ------- ?
457 x 0.1 / 1
= 45.7 dg
The element that has a complete valence electron shell is argon (Ar) since it is a noble gas in the last group on the periodic table.
That is true. the nuclei change in nuclear rxns. Chemical rnxs use electrons..
