The hardness, melting point and boiling point of elements increase from Ce to Lu because
Chemistry · JEE Main · NTA Exams — d- and f-Block Elements
The hardness, melting point and boiling point of elements increase from Ce to Lu because
- the attraction between the atoms increases as the size increases
- the attraction between the atoms decreases as the size increases
- the attraction between the atoms increases as the size decreases
- the attraction between the atoms remains the same as the size increases
Answer
(C) the attraction between the atoms increases as the size decreases
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