KCET2009Chemistrys Block Elements
The characteristic not related to alkali metal is
Options
- Ahigh ionisation energy
- Btheir ions are isoelectronic with noble gases
- Clow melting point
- Dlow electronegativity
Correct answer
A. high ionisation energy
Step-by-step solution
Alkali metals have low ionisation energy. They posses minimum value of ionisation energy in their period.