PLEASE ANSWER 14-20 WHILE SHOWING WORK FOR THE FACTOR LABLE METHOD WORTH 100 POINTS NO LINKS PLEASE

Elements that do not have full outer electron shells will donate, share, or take electrons from other atoms. choose the items that have the correct binary ionic formula.

Light waves can move through , but they travel fastest when they move through a(n) .

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.