In which orbitals with the valance of electrons for selenium be placed

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

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.