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प्रश्न
Name the three subatomic particles present in an atom.
उत्तर
The three subatomic particles present in an atom are: electron, proton and neutron.
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संबंधित प्रश्न
Define:- Atom
Define: Mass number
Name two particles found inside the nucleus. What are they collectively called ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is such a particle called ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
Fill in the blank
An excess of electrons produces a ________ charge.
Write the relation between nanometre and metre.
Electron, proton, neutron are the types of ______ in an atom.
State true or false. If false, correct the statement.
An atom is electrically neutral.
Name the sub-atomic particles.
Define the following term with an example.
Non-metal
______ is the smallest particle of an element.
Define the term ions or radicals.
Atoms of different elements having the same number of ______ are called isotones.
Give the salient features of “Modern atomic theory”.
Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order
- Rutherford’s atomic model
- Thomson’s atomic model
- Bohr’s atomic model
______ is a substance that is made up of three oxygen atoms chemically combined.
An atom of Oxygen (O) and two atoms of hydrogen (H.) combine to form a molecule of ______.
What are the 3 most abundant atoms on the earth?
