Chemistry · Atomic Structure and Chemical Bonding
Match the concepts in Column I with the correct descriptions in Column II: Column I: A. Elements combine in fixed ratios B. Atoms are indivisible C. Sulphate and oxalate ions are anions, whereas magnesium and ammonium ions are cations D. Gram atomic mass of an element and the gram molecular mass of a compound contain the same number of molecules/atoms Column II: I. Dalton's atomic theory II. Avogadro's law / Mole concept III. Law of constant proportions IV. Classification of ions
- 1A - III, B - IV, C - I, D - II
- 2A - I, B - III, C - IV, D - II
- 3A - III, B - I, C - IV, D - II✓
- 4A - III, B - II, C - IV, D - I
Correct answer
A - III, B - I, C - IV, D - II
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