How many grams of oxygen is required to react with 9.30 moles of aluminium?

How manyatoms of mercury are in 1.4214e+1 ml sample

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

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?