Calculate the frequency of red light with a wavelength of 6.50x10^-7

Why is nh3 classified as a polar molecule

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

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