Atomic number of Mn is 25 what is the electronic configuration in the ground state________________?

Related Mcqs:

1. Which of the following represents the correct electronic configuration of VII A group elements in the ground state ?

   A. ns2p2
   B. ns2p4
   C. ns2p5
   D. ns2p6

2. The correct electronic configuration of Cu is ___________________?

   A. [Ar]4s1
   B. [Ar]4s2
   C. [Ar]3d104s1
   D. [Ar]3d94s2

3. Electronic configuration of K is_________________?

   A. [Ar]4s2
   B. [Ar]4s1
   C. [Kr]5s1
   D. [He]2s1

4. The correct electronic configuration of Cr is____________________?

   A. [Ar]4s23d4
   B. [Ar] 4s23d4
   C. [Ar]4s03d5
   D. [Ar]4s13d5

5. Which electronic configuration corresponds to an element of group IIIA ?

   A. 1s2 2s2 2p3
   B. 1s2 2s2 2p6 3s2 3p1
   C. 1s2 2s2 2p4
   D. 1s2 2s2 2p6 3s2 3p6 4s2 3d1

6. The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________?

   A. S-Block
   B. P-Block
   C. d-Block
   D. f-Block

   Submitted by: Muhammad Ali Kunbhar

7. Electronic Configuration of Calcium (Ca) atom may be written as________?

   A. Ne, 4p2
   B. Ar, 4s2
   C. Ne, 4s2
   D. Kr,4p2

   Submitted by: Muhammad Ali Kunbhar

8. Give Electronic configuration of Sodium:

   A. 1s2,2s2,2p6
   B. 1s2,2s2,2p6,3s2
   C. 1s2,2s2,2p6,3s1
   D. None of these

   Submitted by: Naintara Mustafa

9. The atomic radii decreases by increasing atomic number in________________?

   A. Alkali metal
   B. Alkaline earth metal
   C. Elements from Li to Ne
   D. Halogens

10. 50% inversion of configuration of molecules take place in a___________________?

    A. E1 – reaction
    B. E2 – reaction
    C. SN1 – reaction
    D. SN2 – reaction