Which group contains elements that exist as monoatomic molecule?

Related Mcqs:

1. The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?

   A. Dipole-dipole forces
   B. Ion dipole-dipole forces
   C. London dispersion forces
   D. Debye forces

2. Melting points of VII-A group elements down the group ____________________?

   A. Increase
   B. Decrease
   C. Remain constant
   D. No regular trend

3. Which of the p-block elements are not representative elements ?

   A. Alkali metals (I-A)
   B. Group-14 elements (IV-A)
   C. Group-18 elements (VIII-A)
   D. Halogens (VII-A)

4. Introduction of nitro group in a molecule is called___________________?

   A. nitration
   B. halogenation
   C. sulphonation
   D. amination

5. Seventh period contains _________________ normal elements ?

   A. 2
   B. 4
   C. 6
   D. 8

6. Elements of group IA IIA are _________________?

   A. Electronegative
   B. Electropositive
   C. Neutral
   D. IA is electropositive while IIA is electronegative

7. In which of the following pairs are elements belonging to the same group ?

   A. Boron & Beryllium
   B. Nitrogen & Phosphorous
   C. Magnesium & Aluminium
   D. Gallium & Helium

8. Boron is non metal while other elements of IIIA group are metals. This is because______________?

   A. it has small size
   B. it has high nuclear charge
   C. it forms molecular addition compounds
   D. all of the above

9. All the elements in group VIA are ___________________ in nature?

   A. hygroscopic
   B. metals
   C. polymeric
   D. all of above

10. 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