Atomic Structure | Free Demo Test

The elements for which the value of ionization energy is low, can

The nature of cathode rays in discharge tube is:

The relative energies of 4s, 4p and 3d orbitals are in order of :

With increase in the value of Principal Quantum Number ‘n’, the shape of the s-orbitals
remains same although their sizes :

Number of electrons in the outermost shell of chloride ion (Cl-
) is :

If the e/m value of electron is 1.7586 × 1011Coulombskg-1, then what would be the mass
of electron in grams ( charge of electron is 1.6022×10-19 Coulombs) ?