[" oxygen atom is written as "],[qquad 1S^(2),2S^(2)ubrace(larr uarr|uarr darr|)" it would "],[" violate "],[" a) Hund's rule "]

If the electronic structure of oxygen atom is written as 1s^(2) , 2s^(2)2p^(4) it would violate

If the electronic structure of oxygen atom is written as 1s^(2) , 2s^(2) it would violate

If the electronic structure of oxygen atom is written as 1s^(2) , 2s^(2) it would violate

If the electronic structure of oxygen atom is written as 1s^2 , 2s^2 it would violate

If the electronic structure of oxygen atom is written as 1s^2, 2 s^2 it would violate-

Electronic configuration of an element as written by a student is given below. 1s(0) 2s(2) 2p(4) Which rule is violated here?

In a chemical equation some arrow marks rarr uarr darr , are written. What do they indicate? Give examples.

If 'to' stands for 'addition, 'larr' stnds for 'subtraction', 'uarr' stands for 'division', 'darr' stand for 'miltiplication', 'uarr' stands for 'equal to', then which of the following alternatives is correct ?