LMS

When the 6d orbital is completed the entering electron goes into

The number of degenerate orbitals in p–subshell is

n + l value for 4f will be _________ and 5p will be _______

Which one of the following sub-shells does not exist

The total number of s-subshell electrons in are equal to total number of

Charge on 1 mole of electrons is

The correct electronic configuration of 24Cr is

Which of the following formula represents a particle with composition of one proton, one neutron and two electrons (D represents deuterium)

The element whose electronic configuration is 1s2, 2s2, 2p6, 3s2, 3p2 belongs to ______ period and ____ group of periodic table

Which of the following have 1 electron in s-subshell?

The sum of proton and neutron is in whole number is called __________ number

The isoelectronic pair like argon is

Which of the following rule is applicable to filling the electrons in subshells

The total number of orbitals containing electrons, if atomic number of the element is 19

Electronic configuration of P is

The possible correct set of quantum numbers (n; l; m; s) is

Which pair of species have electronic configuration ends on 2s22p6 in their highest occupied energy level

The atomic number of an atom is the number of

2s orbital is _______ in energy than 1s

If l = 2 then the orbital will be of ________ sub-shell

In which specie the number of neutrons are greater than protons but neutrons are equal to number of electrons

A(An) ______ is a region of space in which there is a high probability of finding an electron in an atom

Electronic configuration of H- is

If the last electron is filled in 3d subshell. The next coming electron will move into

Which of the following on losing an electron, have half-filled p-subshell?

Total number of electrons in d-subshell of an atom with atomic number 26 are

Number of electrons and orbitals in a shell can be determined by

The last electron in the Na and K can be distinguished by

Which contains most stable subshell in the valence shell

Without applying Hund’s rule the electronic configuration of one of the following cannot be justified

The space between 1s and 2s is called

The highest energy electron of an element in the ground state is characterized by the following quantum numbers n = 3, l = 0 , m = 0 , s = + ½The atomic number of element is

Which one orbital in bilobed with collar

Which of the following does NOT correctly relate the arrangement of electrons

The positive rays have maximum e/m value when one of the following gas is used in discharge tube

What will be the effect on proton when passed through the electric field

Positive rays are produced

The relationship between energy of a photon of light and its frequency is given by

Planck’s equation is

Correct order of energy in the given sub-shells is

Which of the following have maximum unpaired electrons?

The Y⁺²ion has 18 electron and 20 neutron. The mass number of “Y” will be

Which pair has 1 electron in its s-orbital?

Number of neutrons in will be

Number of electrons in the outermost shell of chloride ion(Cl^–) is

With increase in the value of principal quantum number ‘n’, the shape of the s-orbitals remain same although their sizes

Which one of the following pairs has the same electronic configuration as possessed by neon (Ne-10)

An orbital which is spherically symmetrical is

Electronic configuration is the distribution of electrons in

Which of the following quantum number was not proposed by Schrodinger