Naturally occurring boron is 80.20% boron -11 (atomic mass = 11.01 amu) and 19.80% of some other
isotopic form of boron. what must the atomic mass of this second isotope be in order to account for
the 10.81 amu average atomic mass of boron?

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

Table sugar completely dissolved in water is an example of a?

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.