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प्रश्न
Assertion: The mass of an atom is the mass of its nucleus.
Reason: The nucleus is at the centre.
उत्तर
Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
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संबंधित प्रश्न
______ is positively charged.
The atomic number of an atom is the ______.
The _____ revolve around the nucleus.
Sun: Nucleus:: Planets: ______.
Assertion: The number of protons or the number of neutrons is known as atomic number.
Reason: The mass number is the sum of protons and neutrons.
Why neutrons are called neutral particles?
State true or false. If false, correct the statement.
Electrons have negligible mass and charge.
What is the mass of a proton?
Give short answer:
Is the structure of the atom the same as the structure of the solar system?
The value of series limit in the case of paschen series is ______.
