Stability of Fully Filled and Half Filled Orbitals

Q. the e in an hydrogen atom males an trasition from k shell to m shell the ratio of angular velocity in initial and final stage i

Q.

Chlorine atom differs from chloride ion in the number of

1. Proton

2. Neutron

3. Electrons

4. Protons and electrons

Q. 37. Applications of ionisation energy? Any two

Q.

Which of the following is correct as the cause of stability of completely filled and Half-filled sub-shells?

1. It is because of the symmetrical distribution of electrons

2. It is because of relatively small shielding

3. It is because of larger exchange energy

4. It is because of smaller coulombic repulsion energy.

Q. How to make the molecular orbital diagram for O2- (superoxide ion) ?

Q. the total number of electrons present in 18 ml of water

Q.

The correct ground state electronic configuration of chromium atom is

1. $\left[Ar\right]3d^{5}4s^1$

2. $\left[Ar\right]3d^4{s}^2$

3. $\left[AR\right]3d^{6}4s^0$

4. $\left[Ar\right]4d^{5}4s^1$

Q. fes Electronic configuration is (2, 8, 8, 8) which is stable then why it donates electrons and gain positive charge?

Q.

(i) Write the electronic configurations of the following ions: (a) H^– (b) Na⁺ (c) O^2–(d) F^–

(ii) What are the atomic numbers of elements whose outermost electrons are represented by (a) 3s¹ (b) 2p³ and (c) 3p⁵?

(iii) Which atoms are indicated by the following configurations?

(a) [He] 2s¹ (b) [Ne] 3s² 3p³ (c) [Ar] 4s² 3d¹.

Q. 43.The maximum number of electrons in an atom which can have n=4 is?

Q. what is electronic configuration of fe 3+ ion( atomic no - 26)

Q. What is the order of ionic mobility of halides?

Q.

WRITE THE ELECTRONIC CONFIGURATION OF Fe^3PLUS.

Q. does the shield that is developed by the inner electrons except the valence electrons cover the nucleus in a 3 dimensional plane?

Q.

Calculate the effective radius of ₂₉Cu⁶³.If alpha particle is projected on the nucleus with velocity 10⁶m/s.

Q. The maximum number of electrons in a subshell is given by the expression:

1. 4l + 2
2. 4l - 2
3. 2l + 1
4. 2n

Q. If each orbital can hold a maximum of 3 electrons, then what will be the number of elements in 4th period of periodic table?

Q.

Write the electronic configuration of Fe²⁺ ion?

Q.

Which of the following is correct for the orbitals of Cr?

1. 

2. 

3. 

4. 

Q. Why does the ionization energy increases with the increase in the penetration power of the element?

Q. 45. What is the maximum number of electrons present in an atom for which n+l=3?

Q.

Which of the following is correct as the cause of stability of completely filled and Half-filled sub-shells?

1. It is because of the symmetrical distribution of electrons

2. It is because of relatively low shielding

3. It is because of larger exchange energy

4. It is because of smaller coulombic repulsion energy.

Q. 82.1.How to calculate dipole moment of a compound? 2.How to write molecular orbital configuration of "HETERODIATOMIC" molecule? 3.How to draw resonating Structures of various compounds?

Q. why is cation smaller than neutral atom

Q. Electronic configuration of Mn4+

Q. 17 draw all resonance structures for PO4 with all arrows depicting the movement of electrons.

Q. In sodium, how many electrons in the ground state have the magnetic quantum number, $m=0$?

1. $8$
2. $7$
3. $9$
4. $6$