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(A) What Are the Two Main Parts of Which an Atom is Made Of? (B) Where is the Nucleus of an Atom Situated ? (C) What Are Orbits Or Shells of an Atom ? - ICSE Class 8 - Chemistry

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Question

(a) What are the two main parts of which an atom is made of?
(b) Where is the nucleus of an atom situated ?
(c) What are orbits or shells of an atom ?

Solution

  1. The centrally located nucleus
  2. The outer circular orbits.

(b) The nucleus is a centrally located positively charged mass.
(c) The circular orbits (shell present) in the space available around the nucleus on which electrons revolve are called orbits or shells of an atom

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Solution (A) What Are the Two Main Parts of Which an Atom is Made Of? (B) Where is the Nucleus of an Atom Situated ? (C) What Are Orbits Or Shells of an Atom ? Concept: Fundamental Subatomic Particles Present in an Atom: Electrons, Protons, Neutrons.
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