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प्रश्न
Compare a proton and a neutron in respect of mass and charge.
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उत्तर
Proton: The relative mass of a proton is 1u and its absolute mass is approximately 1.602 × 10–24g. Charge on a proton is +1.
Neutron: Relative mass of a neutron is 1u and its absolute mass is approximately 1.602 × 10–24g . Charge on a neutron is zero.
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संबंधित प्रश्न
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
Write true or false for the following statement
The central pad of the atom is called nucleus.
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
Multiple Choice Questions
The outermost shell of an atom is known as
Multiple Choice Questions
number of valence electrons present in magnesium is
FILL IN THE BLANK
In an atom, the last shell containing electrons is called its..................shell.
ANSWER IN DETAIL
Name the three subatomic particles. How are they different from each other ?
ANSWER IN DETAIL
Write a note on valence shell.
Define the term Mass number.
What is meant by the term subatomic particles?
