COMEDK2018Chemistrys Block Elements
Among the alkali metals caesium is the most reactive because
Options
- Aits incomplete shell is nearest to the nucleus
- Bit has a single electron in the valence shell
- Cit is the heaviest alkali metal
- Dthe outermost electron is more loosely bound than the outermost electron of the other alkali metals.
Correct answer
D. the outermost electron is more loosely bound than the outermost electron of the other alkali metals.
Step-by-step solution
Among the alkali metals, caesium is most reactive because the outermost electron is more loosely bound than the outermost electron of other alkali metals.