Tag: atoms, molecules and radicals

Tests knowledge of molecular formulas, chemical notation, and valency relationships including writing correct formulas, identifying incorrect formulas, predicting formulas from valency, and understanding what formulas represent.

Comprehensive quiz covering Dalton's atomic theory, its postulates, limitations, and basic atomic concepts

Dalton's atomic theory including postulates, merits, limitations, and historical context for class-XI chemistry students

Tests knowledge of John Dalton's atomic theory including its postulates, merits, and how later discoveries like isotopes disproved certain aspects of the theory