LinkeyGurl LinkeyGurl

01-02-2017
Chemistry

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How many electrons would the element calcium need to be electrically neutral?

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figueroajorge1 figueroajorge1

01-02-2017

Hello LinkeyGurl, usually atom will be in neutral state. if so, then equal number of electrons have to be in the atom. So 20 electrons have to be there.

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JeannetteMarie JeannetteMarie

01-02-2017

A neutral atom of calcium has 20 electrons. This is denoted as Ca. A stable atom of calcium has 18 electrons, denoted as Ca2+, with the 2+ in the exponent place.

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