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प्रश्न
Sun: Nucleus:: Planets: ______.
उत्तर
Sun: Nucleus:: Planets: electrons.
APPEARS IN
संबंधित प्रश्न
The atomic number of an atom is the ______.
State true or false. If false, correct the statement.
The electrons are positively charged.
State true or false. If false, correct the statement.
The nucleus is surrounded by protons.
Assertion: The mass of an atom is the mass of its nucleus.
Reason: The nucleus is at the centre.
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.
What are the characteristics of proton?
What are nucleons? Why are they called so? Write the properties of the nucleons.
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 lightest particle is ______.
