Consider the two electron arrangements for neutral atoms A and B. What is the atomic number of A? A - 152, 252, 2p5, 35
B - 152, 252, 2p6.5s!

Diamond, graphite, and fullerenes share what property? a. they are all made of carbon (c) bonded to a metal. b. their shape. c. they are all made of carbon (c). d. they are all good conductors.

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million