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प्रश्न
What are the two main parts of which an atom is made of?
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उत्तर
- The centrally located nucleus
- The outer circular orbits.
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संबंधित प्रश्न
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Mention briefly the salient features of Dalton’s atomic theory (five points)
FILL IN THE BLANK
In an atom, the last shell containing electrons is called its..................shell.
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What is an atom?
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Describe a discharge tube.
Compare an electron and a proton in respect of mass and charge.
State the location of electrons, protons and neutrons in an atom.
Which of the following statement is always correct?
Draw a neat labelled diagram representing an atom. Name the three sub-atomic particles in the atom and represent them symbolically showing the mass and charge of each. State where the sub-atomic particles are present in the atom.
