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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.
Protons and neutrons present in the nucleus.
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Define the term Atomic number.
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
FILL IN THE BLANK
The electrons revolving in shells close to the nucleus are called ................... electrons.
Define the term Mass number.
Define the term Nucleons.
Explain how the modern atomic theory contradicted Dalton’s atomic theory.
Draw a neat labelled diagram representing an atom. Name the three sub-atomic particles in the atom and represent them symbolically showing the mass and charge of each. State where the sub-atomic particles are present in the atom.
If an atom ‘A’ has an atomic number of eleven, state the number of protons and electrons it contains.
