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- #Medical
- #S - Block Elements (Alkali and Alkaline Earth Metals)
- #BITSAT
- #Chemistry
- #National Eligibility Cum Entrance Test
Which one of the following trend is wrong for alkali metals when we move from top to bottom?
Option: 1
Electronegativity decreases
Option: 2
Hardness increases
Option: 3
Melting and boiling points decrease
Option: 4
Ionisation energy decreases
Answers (1)
Hardness, melting point and boiling point decreases as the strength of metallic bonding decreases due to increase in atomic size.
Electronegativity and Ionisation energy decreases down the group due to increase in the atomic size
Therefore, Option(2) is correct.
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