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प्रश्न
What are orbits or shells ?
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उत्तर
The fixed circular paths along which electrons revolve round the nucleus.
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संबंधित प्रश्न
TRUE \ FALSE
Elements having a tendency to accept electrons are called metals
Give the charge and the mass of an electron, proton and neutron present in an atom ?
State Dalton’s atomic theory.
Name the particle or particles you would expect to find in :
The orbit of an atom
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How many electrons would be present in this atom ?
How is the size of an atom indicated ?
Dalton's atomic theory says that atoms are indivisible. Is this statement still valid ? Give reasons for your answer.
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Define the following term:
Atom
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An element is composed of ______ atoms.
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A change in the physical state can be brought about
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Dalton’s atomic theory successfully explained
(i) Law of conservation of mass
(ii) Law of constant composition
(iii) Law of radioactivity
(iv) Law of multiple proportions
The most abundant type of atom is the universe is ______.
