Question

An atom contains 17 protons and 18 electrons. How much is total charge on that atom . Also write its symbol.

Answer 1

Answer:

17 protons, 18 neutrons, 18 electrons

This is a chloride ion. According to the periodic table, there are 17 protons because the element is chlorine. There are 18 electrons due to the negative charge: 17-(-1) = 18.