Question

Explain Dalton's Atomic Theory.


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Answer 1

Answer:

A theory of chemical combination, first stated by John Dalton in 1803. It involves the following postulates: (1) Elements consist of indivisible small particles (atoms). (2) All atoms of the same element are identical; different elements have different types of atom. (3) Atoms can neither be created nor destroyed.

Explanation:

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Answer 2

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★ Dalton's Atomic Theory

$\longrightarrow$ The theory that all matter is made up of very tiny indivisible particles is called atomic theory of matter.

$\longrightarrow$ Dalton put forward his atomic theory of matter in 1808.

★ Postulates of dalton's atomic theory of matter are as follows:-

$\leadsto$ All the matter is made up of very small particles called atoms.

$\leadsto$ Atoms cannot be divided.

$\leadsto$ Atoms can neither be created or nor destroyed.

$\leadsto$ Atoms are ean neither of various kinds. There are as many kinds of atoms are elements.

$\leadsto$ All the atoms of a given element are Indentical in every respect, having the same mass, size. and chemical properties.

$\leadsto$ Atoms of different the elements differ in mass, size and chemical properties.

$\leadsto$ Chemical combination between the elements consists in the joining together of atoms of these elements to form molecules of compounds.

$\leadsto$ The number and kind of atoms in a given. Compound is fixed.

$\leadsto$ During chemical combination, atoms of different elements combine in swall whole numbers to form compounds.

$\leadsto$ Atoms of the same elements can combine in more than one ratio to for more than one compounds.

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