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Model Paper 4 — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryModel Paper 43 Marks
Question
Among the elements $B , AI , C$ and Si
1. Which has the highest first ionization enthalpy?
2. Which has the most negative electron gain enthalpy?
3. Which has the largest atomic radius?
4. Which has the most metallic character?
✓

Answer

1. C has the highest first ionization enthalpy.
2. C has the most negative electron gain enthalpy.
3. AI has the largest atomic radius.
4. AI has the most metallic character.

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