Question

An atom with a positive or negative change is call

Answer 1

An ion is an atom that has a positive or negative charge.

Answer 2

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 then the number of protons in the atom. When an atom is attracted to another atom because it has an unequal number of electrons and protons, the atom is called an ION.