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प्रश्न
The particle not present in an ordinary hydrogen atom is :
पर्याय
proton
neutron
nucleus
electron
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उत्तर
neutron
A hydrogen atom ` ""_1^1"H"`, has 1 proton and 1 electron, but it does not have any neutron.
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संबंधित प्रश्न
Give the following a suitable word/phrase
The sub-atomic particle with negative charge and negligible mass.
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
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.
WRITE SHORT ANSWER
What is an atom?
State the location of electrons, protons and neutrons in an atom.
State its one drawback of Rutherford’s atomic model.
Define the term Mass number.
Select the correct answer from the choice in the bracket to complete the sentence:
Magnesium atom with electronic configuration 2, 8, 2 achieves stable electronic configuration by losing two electrons, thereby achieving stable electronic configuration of the nearest noble gas _______.
What is meant by the term subatomic particles?
