Chemistry, asked by luminous7, 16 days ago

what is atom with structure?
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Answers

Answered by sayasharma7
1

Answer:

Atomic structure refers to the structure of an atom comprising a nucleus (centre) in which the protons (positively charged) and neutrons (neutral) are present. The negatively charged particles called electrons revolve around the centre of the nucleus.

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Answered by XxDangerousQueenxX
2

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what is atom with structure?

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Atomic structure refers to the structure of an atom comprising a nucleus (centre) in which the protons (positively charged) and neutrons (neutral) are present. The negatively charged particles called electrons revolve around the centre of the nucleus.

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Atomic Models

In the 18th and 19th centuries, many scientists attempted to explain the structure of the atom with the help of atomic models. Each of these models had their own merits and demerits and were pivotal to the development of the modern atomic model. The most notable contributions to the field were by the scientists such as John Dalton, J.J. Thomson, Ernest Rutherford and Niels Bohr. Their ideas on the structure of the atom are discussed in this subsection.

Dalton’s Atomic Theory

The English chemist John Dalton suggested that all matter is made up of atoms, which were indivisible and indestructible. He also stated that all the atoms of an element were exactly the same, but the atoms of different elements differ in size and mass.

Chemical reactions, according to Dalton’s atomic theory, involve a rearrangement of atoms to form products. According to the postulates proposed by Dalton, the atomic structure comprised atoms, the smallest particle responsible for the chemical reactions to occur.

The following are the postulates of his theory:

  1. Every matter is made up of atoms.
  2. Atoms are indivisible.
  3. Specific elements have only one type of atoms in them.
  4. Each atom has its own constant mass that varies from element to element.
  5. Atoms undergo rearrangement during a chemical reaction.
  6. Atoms can neither be created nor be destroyed but can be transformed from one form to another.

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