In general, the property (magnitudes only) that shows an opposite trend
Question:

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

  1. Electronegativity

  2. Electron gain enthalpy

  3. Ionization enthalpy

  4. Atomic radius


Correct Option: , 4

Solution:

In general across a period atomic radius decreases while ionisation enthalpy, electron gain enthalpy and electronegativity increases because effective

nuclear charge $\left(Z_{\mathrm{eff}}\right)$ increases.

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