Which of these is a typical property of a substance that is composed of atoms that are held together by covalent bonds?

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

The number at the end of an isotope’s name is the number.

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.