A. being s-block elements
B. inert gas configurations
C. ns1 electronic configuration
D. being metals
Related Mcqs:
- 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 - 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 - 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 - Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?
A. Lithium
B. Sodium
C. Potassium
D. Rubidium - Which of following metals can be displaced by all other metals from its solution ?
A. Ag
B. A
C. Au
D. Cu - Which one of the following is not an alkali metal ?
A. Francium
B. Caesium
C. Rubidium
D. Radium - The word Alkali means__________________?
A. Base
B. Basic salt
C. Ashes
D. Spirit - The ionization energy__________________?
A. Generally increases from left to right in a period
B. Does not change in a period
C. Increase from top to bottom in a group
D. Does not change in a group - Ionization energy in a period generally ___________________?
A. Increases
B. Decreases
C. No change
D. Variable trend - An element having low value of ionization energy and low value of electron affinity is likely to belong to__________________?
A. Group IA
B. Group IB
C. Group VIIA
D. Group VIII
