So I know second line would be sodium chloride HCl. But what about Calcium Ca little 2+ on top of Ca. Would it be Calcium Chloride CaCl2+?

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space