7. Atom is electrically
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Atoms are electrically neutral because they have equal numbers of protons and electrons.So if an atom gains or loses one or more electrons, it becomes an ion. If it gains one or more electrons, it carries a net negative charge, and is anionic.
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yes,Heavier atoms tend to have more neutrons than protons, but the number of electrons in an atom is always equal to the number of protons. So an atom as a whole is electrically neutral. When one or more electrons is stripped away from an atom, it becomes positively charged.
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