JKSSB Mock Tests

Who used the drawing circle and arrow symbols to represent the atoms of different elements in 1803?

A. Amedeo Avogadro
B. Antoine Lavoisier
C. Jacob Berzelius
D. John Dalton
Answer: Option D
Solution (By JKSSB Mock Tests Team)
In 1803, pioneer chemist John Dalton was the very first to visually represent distinct elemental atoms using unique, specific circular symbols. This historical, visual codification system laid the crucial groundwork for modern chemical formulas, even though Berzelius's letter-based system eventually replaced it.
This Question Belongs to: General science Chemistry set 1
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