Calculate the energy a wave having a wavelength of 8.921 x 10^-8 cm.
HURRY PLZ

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

Why do electrons further from the nucleus have more energy

Question 2 (5 points) which of the following materials is useful for making molds because it has a low melting point? question 2 options: wood metal wax sand