Calculate the maximum nuber of electrons in the shell with principal quantum number n=3

Calculate the number of electrons constituting one coulomb of charge.

Calculate the number of moles in 1m^3 of gas at N. T. P

Answer either: Calculate the number of unpaired elec-trons in the gaseous ion Cr^(3+) .

Calculate the number of unpaired electrons in Cr^(3+) and V^(3+) ions.

Calculate the approximate qunatum number for an electron of hydrongen atom revolving in orbit of radius 1 mm.

Designate the orbitals bearing quantum numbers. n=2,l=1 n=3,l=2

A 1.5 V cell is connected across a 3Omega resistance. Find the number of electrons coming out of the negative terminal of the cell In 5 minutes.

What do you mean by breaking stress? The breaking stress for a metal is 7.8xx10^9 Nm^-2.Calculate the maximum length of the wire made of this metal which may be suspended without breaking. The density of the metal =7.8xx10^3 kg m^-3,g=10ms^-\2'.