Atomic StructureHard
Question
The penultimate and outermost orbit of an element contains 10 and 2 electrons, respectively. If the outermost orbit is fourth orbit, then the atomic number of the element should be
Options
A.12
B.22
C.32
D.40
More Atomic Structure Questions
Last line of Lyman series for H-atom has wavelength λ1, 2nd line of Balmer series has wavelength λ2 Å then...The number of radial nodes of 3s, 3p and 3d electrons are, respectively,...If velocity of an electron in I orbit of H atom is V, what will be the velocity of electron in 3rd orbit of Li+2...If the radius of second Bohr orbit is x, then de Broglie wavelength of electron in 3rd orbit is nearly :...Which of the following does not characterise X-rays ?...