An atom becomes when ___it gains electrons.

Positive
Negative
Neutral
Invisible
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if it has equal positive and negative then neutral. but if there are more electrons than protons then it becomes negative.

Explanation:

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aquifers are bounded above and below by impermeable rock. the driving force of groundwater movement in confined aquifers is pressure, rather than gravity.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;