in which year Delton atomic theory was put forward
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15
Explanation:
John Dalton put forward a theory called Delton atomic theory in 1808
there were many postulates of this atomic theory
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4
Answer:
John Dalton, a British school teacher, published his theory about atoms in 1808. His findings were based on experiments and the laws of chemical combination.
★ POSTULATES
- All matter consists of indivisible particles called atoms.
- Atoms of the same element are similar in shape and mass, but differ from the atoms of other elements.
- Atoms cannot be created or destroyed.
- Atoms of different elements may combine with each other in a fixed, simple, whole number ratios to form compound atoms.
- Atoms of same element can combine in more than one ratio to form two or more compounds.
- The atom is the smallest unit of matter that can take part in a chemical reaction.
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