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Voltage and Current

Q1: An atom with more electrons than protons is ___.

A a positive ion

B a balanced atom

C a negative ion

D not possible

ANS:C - a negative ion

An ion is a charged atom or molecule. It is charged because the number of electrons does not equal the number of protons in the atom or molecule. An atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less than the number of protons in the atom.



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