4.) What is atomic number.

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

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

Which description best characterizes the motion of particles in a solid?