Metallic characters of alkali metals_____________________?

Related Mcqs:

1. A elements are named as alkali metals because_______________?

   A. Their oxides are basic
   B. Their oxide and hydroxides are water soluble
   C. Both A & B
   D. They are found in earth

2. Which one of the following is not an alkali metal ?

   A. Francium
   B. Caesium
   C. Rubidium
   D. Radium

3. Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?

   A. Smaller electronegativity of alkali metals
   B. Smaller ionic radius of these metals
   C. De-excitation of electrons from higher energy levels to low energy level
   D. Excitation of electrons from low energy levels to higher energy levels

4. First ionization potential of alkaline earth metal is greater than alkali metals because___________________?

   A. They are more reactive
   B. They have greater atomic radii
   C. They have smaller atomic sizes
   D. All

5. The word Alkali means__________________?

   A. Base
   B. Basic salt
   C. Ashes
   D. Spirit

6. Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?

   A. Lithium
   B. Sodium
   C. Potassium
   D. Rubidium

7. Second ionization potential of alkali metals are very high due to_______________?

   A. being s-block elements
   B. inert gas configurations
   C. ns1 electronic configuration
   D. being metals

8. Metallic crystals are soluble in________________?

   A. Polar solvent
   B. Non polar solvent
   C. Fused metal
   D. None

9. A metallic atom loses its valence electron to form a/an _________?

   A. an anion
   B. a cation
   C. an anion – cation
   D. none of these​

   Submitted by: Aamir khan Hullio

10. The longest period in the modern periodic table is___________________?

    A. 6th
    B. 7th
    C. 2nd and 3rd both
    D. 5th