Question

what is atom and ? structure of atom?



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Answer 1

➩ Atom is the smallest particle that takes part in a chemical reaction. Atoms of different elements combine with each other in a simple whole number ratio to form compound. The relative number and kinds of atoms are constant in a given compound.

➩ An atom consists of heavy positively charged nucleus. The whole mass of the atom is concentrated in the nucleus. The electrons in an atom revolve around the nucleus in definite circular paths called orbits or energy level. Each energy level is associated with definite amount of energy.

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