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प्रश्न
For alkali metals, which one of the following trends is incorrect?
विकल्प
Hydration energy: Li > Na > K > Rb
Ionisation energy: Li > Na > K > Rb
Density: Li < Na < K < Rb
Atomic size: Li < Na < K < Rb
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उत्तर
Density: Li < Na < K < Rb
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