Chemistry, 20.09.2019 20:30 desderievelasquez

An electrically neutral atom of beryllium has four protons.
which statement is true?
-there are four neutrons in the nucleus. -there is a charge of +4 on an atom of beryllium. -there is a charge of -4 on an atom of beryllium. -there are four electrons.

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An electrically neutral atom of beryllium has four protons.
which statement is true?
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