Given the atomic radius of xenon, 1.3 ? , and knowing that a sphere has a volume of 4? r3/3, calculate the fraction of space that xe atoms occupy in a sample of xenon at stp.

Draw the lewis dot structure for each of the following polyatomic ions

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.