The incorrect statement among the following is:
1. | Total orbital angular momentum of an electron in 's' orbital is equal to zero. |
2. | An orbital is designated by three quantum numbers, while an electron in an atom is designated by four quantum numbers. |
3. | The electronic configuration of N atom is |
4. | The value of m for dz2 is zero. |
The group number and electronic configuration of element Z =114 is:
1. Halogen family, [Rn]5f146d107s27p5
2. Carbon family, [Rn]5f146d107s27p2
3. Oxygen family, [Rn]5f146d107s27p4
4. Nitrogen family, [Rn]5f146d107s27p6
The element Z = 114 has been discovered recently. Family/group and electronic configuration from which it will belong are:
1. Carbon family and [Rn] 5f14 6d10 7s2 7p2
2. Oxygen family and [Rn] 5f14 6d10 7s2 7p4
3. Nitrogen family and [Rn] 5f14 6d10 7s2 7p6
4. Halogen family and [Rn] 5f14 6d10 7s2 7p5
The electronic configurations of Eu (Atomic no. 63), Gd (Atomic no. 64) and Tb (Tb Atomic no. 65) are
1. [Xe]4f65d16s2, [Xe]4f75d16s2 and [Xe]4f96s2
2. [Xe]4f65d16s2, [Xe]4f75d16s2 and [Xe]4f85d16s2
3. [Xe]4f76s2, [Xe]4f75d16s2 and [Xe]4f96s2
4. [Xe]4f76s2, [Xe]4f86s2 and [Xe]4f85d16s2
How many electrons can fit in the subshell for which n = 3 and l = 1?
1. 2
2. 6
3. 10
4. 14