Energy released or absorbed when electrons are added in atom is_________________?

Related Mcqs:

1. An atom loses or gains electrons to__________________?

   A. Gain stability B. Form a bond C. Complete its outermost shell D. all are accurate justifications...

2. The specie which donates electrons to central metal atom in coordination sphere is called____________________?

   A. anion B. cation C. Ligand is positively charged D. acid...

3. The oxidation number of central metal atom in [Ni(CO)4] is_________________?

   A. 0 B. 2 C. 4 D. 6...

4. Removal of halogen and hydrogen atom is_________________?

   A. halogenation B. dehalogenation C. dehydrohalogenation D. hydrohalogenation...

5. When an atom absorbs energy the lines in the spectrum will appear which are_________________?

   A. Brighter B. Darker C. Colourless D. Hard to locate...

6. A specie with maximum number of unpaired electrons ?

   A. F B. H2O C. HF D. NH-2...

7. The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?

   A. Ionization energy B. Electron affinity C. Electro negativity D. None of the above...

8. Which one has maximum number of unpaired electrons ?

   A. 6X B. 7Y C. 9Z D. 13W...

9. The amount of heat absorbed when one mole of a liquid is changed into gas at its boiling point is_____________________?

   A. Molar heat of sublimation B. Molar heat of fusion C. Molar heat of vapourization D. Latent heat of that liquid...

10. The number of d-electrons in Fe2+ (Z = 26) is not equal to that of____________?

    A. p-electrons in Ne(Z = 10) B. s-electrons in Mg(Z = 12) C. d-electrons in Fe(Z = 26) D. p-electrons in CI(Z = 17) Submitted by: Muhammad Ali Kunbhar...