Structure of At...

Assertion (A) : Atoms with completely filled and half-filled subshells are stable.

If $$n=6$$, the correct sequence for filling of electrons will be:

The density of water and ethanol at room temperature is $$1.0$$g $$/$$mL and $$0.789$$g$$/$$mL respectively. What volume of ethanol contains the same number of molecules as are present in $$100$$mL of water?

Which of the following statement in relation to the hydrogen atom is correct?

According to the drawback of Rutherford's structure of atom electron should fall into the :

$$_7M^{14}+\,_2He^4\rightarrow X+\,_1H^1, X$$ is:

The ionization energy of $${ Li }^{ 2+ }$$ is equal to

The energy liberated when an excited electron returns to its ground state can have:

According to classical theory, if an electron is moving in a circular orbit around the nucleus:

On Bohr stationary orbits: