What is the mass of 2.15 liters of N2 gas at STP? 1.82 grams
2.68 grams
2.92 grams
3.11 grams

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?

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m