What is the density of a bar of silver with a mass of 68 g and a volume of 6.5 cm3?
a.
442 g/cm3
b.
10.5 g/ cm3
c.
0.096 g/cm3
d.
0.105 g/cm3

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.

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

How many grams of phosphorus are contained in 5.09 moles of phosphorus?