Calculate the total number of electrons present in 1.4g of dinitrogen gas.

Calculate the total number of electrons present in one mole of methane.

Using concept of quantum numbers, calculate the maximum numbers of electrons present in the.'M' shell. Give their distribution in shells, subshells and orbitals.

What is the total number of electrons present in the p-orbitals of an atom having Z = 30?

The number of atoms present in 0.05 g of water is _____.

The total number of electrons present in the central carbon atom of a free radical is _____

Calculate the number of moles and molecules of urea present in 5.6 g of urea.

A certain particle carries 2.5 xx 10^-16C of static electric charge. Calculate the number of electrons present in it.

An atom crystallises in fcc crystal lattice and has a density of 10 g cm^(-3) with unit cell edge length of 100 pm. Calculate number of atoms present in 1 g of crystal.

A current of 0.2 A passes through a metal wire for 20 seconds. Calculate the number of electrons passing through the cross section of the wire during this time. (The charge on an electron = 1.6 times 10^(-19) C)