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

Related Mcqs:

1. The melting points and boiling points upto meddle of 3d- series ____________________?

   A. increases
   B. decreases
   C. remain same
   D. no regular trend

2. 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

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. Elements in the same vertical group of the periodic table have same_______________?

   A. Number of valence electrons
   B. Atomic number
   C. Atomic mass
   D. Atomic volume

5. 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

6. Elements of group IA IIA are _________________?

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

7. Group VIB of transition elements contains___________________?

   A. Zn Cd Hg
   B. Fe Ru Os
   C. Cr Mo W
   D. Mn Te Re

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 group contains elements that exist as monoatomic molecule?

    A. 1
    B. 2
    C. 14
    D. 18

    Submitted by: Muhammad Ali Kunbhar