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प्रश्न
Define the term Nucleons.
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उत्तर
The protons and neutrons collectively are known as nucleons.
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संबंधित प्रश्न
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Multiple Choice Questions
The outermost shell of an atom is known as
Explain the rule with example according to which electrons are filled in various energy levels
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
The particle not present in an ordinary hydrogen atom is :
Which of the following statement is always correct?
Define the term Valence shell.
Explain how the modern atomic theory contradicted Dalton’s atomic theory.
