What is the H+ ion concentration of an aqueous solution in which the OH- ion concentration is 1 × 10-2 mole per liter? A
1 × 10-14 M

B
1 × 10-2 M

C
1 × 10-9 M

D
1 × 10-12 M

What is the percentage of hydrogen in nitrogen trihydride

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.

Suppose you discovered a new element with 120 protons and 2 electrons in its outer level . i'm what group does this new element belong? what properties would you expect it to have