Um...id. k how to do chemistry...help please?

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Modern weaponry has increased the number of deaths in wars and violent conflicts.

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate