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प्रश्न
What are nucleons? How many nucleons are present in phosphorus? Draw its structure.
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उत्तर
Nucleons: Particles which constitute the nucleus are called nucleons.
Protons and neutrons are the nucleons.
Atomic mass of phosphorus = 31
Atomic number = 15
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संबंधित प्रश्न
Give the following a suitable word/phrase.
The number of protons present in the nucleus of an atom.
Multiple Choice Questions
The number of electrons in an atom is equal to number of
FILL IN THE BLANK
The protons and neutrons are held firmly in the nucleus by strong .........................
WRITE SHORT ANSWER
What is the central part of an atom known as?
How was it shown that atom has empty space?
State one major drawback of Rutherford's model.
Which metal did rutherford select for his `alpha` particle scattering experiment and why?
Where is the nucleus of an atom situated?
Explain in brief – Lod Rutherford’s experiment which led to the discovery of the atomic nucleus.
Explain in brief the experimental proof which led to the discovery of –
Atomic nucleus
