Astudent was heard saying "the mass of a ball on the moon is one sixth it's mass on earth"give a reason why this statement is wrong?

an ion is a charged atom or molecule. it is charged because the number of electrons do 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 then the number of protons in the atom.