Reasons of Stability
Trending Questions
Q.
The energies of orbitals ( 3s, 3p, 4s, 4p, 3d)of H-atom are in the order
Q. what is the sequence of shell , subshell, orbitals , orbits , electrons ?
Q. An electron is moving in 3rd orbit of li+2 and its separation energy is y. The separation energy of an electron moving in 2nd orbit of He+ is
Q. What is exchange energy? How can a single electron can exchange energy with other degenerate orbitals at same time? (cause we take the possibility of exchanges but how can a single electron do more than one exchange at a time so it should have only one exchange energy)
Q. 97 binding energy of electrons in ground state of Hatomis 13.6eV , energies required to eject out an electrons from three lowest states of He + atom willl be 1)13.6, 10.2, 3.4 2)13.6, 3.4, 1.5 3)13.6, 27.2, 40.8 4)54.5, 13.6, 6 explain??
Q. The 4f subshell contains 12 electrons. What is the maximum number of electrons having the same spin in it?
Q.
why energy is released when an electron is added to a isolated gaseous atom ?
Q. 31. If the sum of (n+l) is 6 how many electrons would have clock wise spin associated with this energy level? A. 18 B. 9 C. 6 D. 32
Q. What is the maximum number of electrons present in an orbit whose angular momentum is 3hπ?
72
64
36
- 81
Q. Energy of 2p-orbital of hydrogen atom is greater than 2s-orbital. true or false
Q. What is exchange energy? How can a single electron can exchange energy with other degenerate orbitals at same time? (cause we take the possibility of exchanges but how can a single electron do more than one exchange at a time so it should have only one exchange energy)
Q. Kinetic energy of an electron in the second bohr \vert5orbit of a hydrogen atom is (a, is bohr radius):-(1) 4mmag(3) 32T ma(4)216π-magh2(4) O4㎡ma264t2 ma
Q. If Pauli's exclusion principle was not known, the electronic configuration of Lithium atom would be:
- 1s2 2s1
- 1s1 2s2
- 1s3
- 1s1 2s1 2p1