Which substance has the most ionic characteristics LiCl, NaCl, KCL, or FrCl

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²