Find the average atomic mass of neon, given the atomic masses and relative abundance of its three isotopes. ne-20: 19.992 amu; 90.48% ne-21: 20.993 amu; 0.27% ne-22: 21.991 amu; 9.25%a. 20.992 amub. 19.992 amuc. 20.1797 amud. 20.688 amu

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)