Which of the following statement about the earths inner core is true

How to convert a density of 0.791g/cm3 to lb/ft3

If i add water to oil what will happen

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?