List of top Chemistry Questions on Atomic Structure asked in TS POLYCET

Which one of the following atoms is smaller in size?

Number of unpaired electrons present in carbon atom is

The electronic configuration of an element is 2, 8, 6. Which one of the following element is chemically similar to the above element?

Which of the following pair of atomic numbers indicates the s-block elements?

Maximum number of electrons present in an orbital of atom is

The classification of elements which is based on atomic number is

Which of the following atomic numbers of elements have similar chemical properties?

In an atom, when electron jumps from ground state to excited state

The orbital which is filled with electrons immediately after '3p' is -

The quantum number which explains about the spacial orientation of orbitals is