1. Tardigrade
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  3. Chemistry
  4. In general, the property (magnitudes only) that shows an opposite trend in comparison to other properties across a period is

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Q. In general, the property (magnitudes only) that shows an opposite trend in comparison to other properties across a period is

JEE MainJEE Main 2020Classification of Elements and Periodicity in Properties

Solution:

In general across a period atomic radius decreases while ionisation enthalpy, electron gain enthalpy and electronegativity increases because effective nuclear charge $\left(Z_{\text {eff }}\right)$ increases.