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
Number of orbitals represented by n = 3, $l$ = 2 and m = +2 is...Hyperconjugation involves overlap of the following orbitals...The wavelength of visible light is:...A proton and an α-particle are accelerated through the same potential difference. The ratio of their de Broglie wavelen...Some hydrogen-like atoms in ground state absorbs ‘n’ photons having same the energy and on de-excitement, it emits exact...