The metalloid that has three valence electrons

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

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years