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प्रश्न
In all atoms of an element
पर्याय
the atomic and the mass number are same.
the mass number is same and the atomic number is different.
the atomic number is same and the mass number is different
both atomic and mass numbers may vary
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उत्तर
The atomic and the mass number are same.
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संबंधित प्रश्न
ANSWER IN DETAIL
State the postulates of the Dalton’s atomic theory.
Define: Chemical bond
Name the particle or particles you would expect to find in :
The orbit of an atom
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
Does the particle have an excess of electrons or a deficiency of electrons ?
Fill in the blank
If an atom gains an electron, it is called an _______
Write the relation between nanometre and metre.
Define the following term:
Atom
Deduce from the datum provided.
| Datum | To deduce |
| \[\ce{_11^23Na}\] | Neutron number |
| \[\ce{_6^14C}\] | Mass number |
| \[\ce{_17^37 Cl}\] | Proton number |
What is the contribution of the following in atomic structure?
Maharshi Kanada
Draw the diagrams representing the atomic structures of the following: Neon
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
State true or false. If false, correct the statement.
An atom is electrically neutral.
Assertion: An atom is electrically neutral.
Reason: Atoms have equal number of protons and electrons.
Define – Atom.
Draw the structure of an atom and explain the position of the sub-atomic particles.
The number of atoms present in a molecule is called its ______.
Which of the following has maximum number of atoms?
What is the fundamental particle of an element?
