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Who proposed the modern symbol system using letters of element names?
ADalton in 1808
BBerzelius in 1814
CAvogadro in 1811
DMendeleev in 1869
Answer & Solution
Correct answer: B. Berzelius in 1814
1. The chapter contrasts Dalton's figurative symbols with the modern system.
2. Dalton's pictures were cumbersome and dropped.
3. Berzelius in 1814 proposed letter-based symbols.
4. So option A is correct.
_Source: Selina Concise Chemistry Class 9, Ch 4 The Language of Chemistry (Mistral OCR'd PDF), section on history of symbols_
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