What can be used to determine if a compound forms a precipitate? a. a list of oxidation states b. an activity series list c. a periodic table d. a solubility table

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

How many neutrons does a atom of cobalt have?

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?