Question

define dalton's atomic theory

Answer 1

Dalton's atomic theory. . the theory that matter consists of indivisible particles called atoms and that atoms of a given element are all identical and can neither be created nor destroyed. Compounds are formed by combination of atoms in simple ratios to give compound atoms (molecules).
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Answer 2

$\textbf{Dalton's Atomic Theory :}$

→ Matter consists of individual atoms.

→ All the atoms of a given element have identical properties including identical mass. Atoms of different elements differ in mass.

→ Compounds are formed when atoms of different elements combined in a fixed ratio.

→ Chemical reactions involve reorganisation of atoms. These are neither created nor destroyed.

→ Dalton's atomic theory explain the law of combination.