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प्रश्न
Fill in the blank of the following statement :
The electron has _________ charge, the proton has _________ charge, and the neutron has _________ charge.
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उत्तर
An electron has negative charge, a proton has positive charge, and a neutron has no charge.
APPEARS IN
संबंधित प्रश्न
Give the following a suitable word/phrase
The sub-atomic particle with negative charge and negligible mass.
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
Define the term Atomic number.
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
Explain the rule with example according to which electrons are filled in various energy levels
Tick the most appropriate answer.
In 1908, R A Millikan found the charge of an electron to be
- 1.6 x 10-19 C
- 1.6 x 10-15 C
- 1.4 x 10-19 C
- 1.6 x 19-16 C.
WRITE SHORT ANSWER
Name the isotopes of hydrogen.
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
Define the term Valence shell.
Explain how the modern atomic theory contradicted Dalton’s atomic theory.
