Explain Dalton Atomic theory with its limitation.
Answers
Drawbacks of Dalton's Atomic Theory
According to Dalton, the atoms of same element are similar in all respects. However, atoms of some elements vary in their masses and densities. These atoms of different masses are called isotopes. For example, chlorine has two isotopes with mass numbers 35 and 37.
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Answer:
Dalton's atomic theory was the first complete attempt to describe all matter in terms of atoms and their properties. ... The first part of his theory states that all matter is made of atoms, which are indivisible. The second part of the theory says all atoms of a given element are identical in mass and properties.
Limitations of Dalton's Atomic Theory: 1) Atom consists of particles like electrons, protons, and neutrons but Dalton says atoms are indivisible and they can neither be created nor be destroyed. 2)Discovery of isotopes revealed that the atoms of the same element possess different weights.
Atoms of different elements are different. Atoms cannot be created, destroyed, or divided. Atoms combine in simple whole number ratios to form compounds. In chemical reactions, atoms are joined, separated, and rearranged.