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If uncertainty in position of electron is zero, the uncertainty in its momentum would be:

NETNUST Entry TestChemistryAtomic Structure

Which atomic orbital has lowest energy?

NETNUST Entry TestChemistryAtomic Structure

Which one of the following orbitals has high energy?

NETNUST Entry TestChemistryAtomic Structure

If value of Azimuthal quantum number is '1' the atomic orbital is:

NETNUST Entry TestChemistryAtomic Structure

The shape of an orbital is determined by:

NETNUST Entry TestChemistryAtomic Structure

Two electrons in the atom:

NETNUST Entry TestChemistryAtomic Structure

As the quantum number n increases, the energy difference between adjacent energy level:

NETNUST Entry TestChemistryAtomic Structure

Spherically symmetrical orbital is:

NETNUST Entry TestChemistryAtomic Structure

An orbital can accommodate maximum of:

NETNUST Entry TestChemistryAtomic Structure

Which of the following orbitals will be filled first?

NETNUST Entry TestChemistryAtomic Structure

Bohr's model of atom was contradicted by:

NETNUST Entry TestChemistryAtomic Structure

Spin quantum number was given by:

NETNUST Entry TestChemistryAtomic Structure

Total number of d-electrons in an atom of atomic number 26 is:

NETNUST Entry TestChemistryAtomic Structure

Which of the following orbitals is not possible?

NETNUST Entry TestChemistryAtomic Structure

The values of quantum number for 3p orbitals are:

NETNUST Entry TestChemistryAtomic Structure

Orbitals having same energy are called:

NETNUST Entry TestChemistryAtomic Structure

When 6d orbital is complete, entering electron goes into:

NETNUST Entry TestChemistryAtomic Structure

Quantum number values of 2p orbitals are:

NETNUST Entry TestChemistryAtomic Structure

It is impossible to specify, simultaneously and precisely, the momentum and position of electron.It is called:

NETNUST Entry TestChemistryAtomic Structure

Uncertainty principle was stated by:

NETNUST Entry TestChemistryAtomic Structure

Davisson and Germer proved that accelerated electrons undergo diffraction, like waves, when they fall on:

NETNUST Entry TestChemistryAtomic Structure

Wave nature of moving electron was verified by:

NETNUST Entry TestChemistryAtomic Structure

All particles of matter have a dual character, wave and material particle, this was proposed by:

NETNUST Entry TestChemistryAtomic Structure

In 1913, Mosley used the x-rays to determine:

NETNUST Entry TestChemistryAtomic Structure

X-rays were discovered by:

NETNUST Entry TestChemistryAtomic Structure