CBSE Class 11-science Answered
why does alkali metal have low ionisation energy
Asked by abjobin2900 | 09 Nov, 2018, 03:20: PM
Expert Answer
The atomic size of the alkali metal atom is big. So, the outermost electron is far away from the positively charged nucleus.
The valence shell electron can be easily removed as the attractive force experienced by the valence electron is very low.
Hence, alkali metals have low ionisation enthalpy.
Answered by Varsha | 09 Nov, 2018, 06:37: PM
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