Structure of At...

If Aufbau principla is not followed the $$_{19}^{59}K$$ will be placed in:

When a hydrogen atom is raised from the ground state to an excited state.

An electron with kinetic energy E collides with a hydrogen atom in the ground state. The collision will be elastic.

The ratio of the wavelength of photon corresponding to the $$\alpha-$$line of Lyman series in $$H-$$atom and $$\beta-$$line of Balmer series in $$He^{+}$$ is:

Which of the following orbitals are nearest to nucleus?

An element with atomic number 117 is known as:

Meitnerium is IUPAC official name of an element with atomic number?

What is the atomic number of the element with symbol Uus?

Which of the following statements is correct for an electron having azimuthal quantum number $$l = 2$$?

If EAN of a central metal ion $${ X }^{ +2 }$$ in a complex is 34. and atomic number of $$X$$ is 28. The number of monodentate ligands present in complex are: