Structure of At...

An element in +3 oxidation state has the electronic configuration $$ (Ar)3d^3 $$, Its atomic number is 

The elements with a atomic number 26 is

All those elements belong to f- block whose atomic number are 

Those elements whose two outermost orbitals are incompletely filled with electrons are 

Which of the following in figure do not represent Bohr’s model of an atom correctly?

Tick the appropriate answer.
Which one of the following scientists put forward the theory regarding the extra-nuclear structure of the atom ?

To explain his theory, Bohr-used

In Bohr's model of hydrogen atom, which of the following pairs of quantities are quantized

Which of the following is quantised according to Bohr's theory of hydrogen atom 

The total number of atoms per unit cell in bcc is: