The octet rule does not always hold for which of the following elements _________________?

Related Mcqs:

1. Atoms of all the elements always contain in nucleus:

   A. Proton and neutron
   B. Neutron and electron
   C. Proton
   D. Neutron

   Submitted by: Shumail Bashir

2. 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)

3. Elements of group IA IIA are _________________?

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

4. Inner transition elements are called _________________?

   A. Lanthanides
   B. Actinides
   C. Rare earth metals
   D. All

5. Seventh period contains _________________ normal elements ?

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

6. Force responsible to hold atoms together in a compound is called ________________?

   A. Bond
   B. Attractive force
   C. Interaction
   D. All of above represent same entity

7. Which of the following ion formation is always exothermic ?

   A. Uni-negative
   B. Uni-positive
   C. Di-negative
   D. Di-positive

8. Which of the following always increases on going from top to bottom in a group ?

   A. Metallic character
   B. Electronegativity
   C. Oxidizing power
   D. Tendency to get reduced

9. 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

10. Transition elements, in general, exhibit the following properties, except one. Name that property?

    A. Variable oxidation state
    B. Natural Radioactivity
    C. Tendency to form complexes
    D. Formation of alloys

    Submitted by: Muhammad Ali Kunbhar