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प्रश्न
In all atoms of an element
विकल्प
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
Tick the most appropriate answer.
Who discovered that radioactive rays are given out by uranium?
- Henri Becquerel
- Marie Curie
- Pierre Curie
- Schmidt
Fill in the blank:
Atoms are _____
Name the particles which revolve around the nucleus.
Define: An Atom:
Name the three subatomic particles present in an atom.
Electron, proton, neutron are the types of ______ in an atom.
Define – Atom.
A change in the physical state can be brought about
Does the solubility of a substance change with temperature? Explain with the help of an example.
A small block slides down on a smooth inclined plane, starting from rest at time t = 0. Let Sn be the distance travelled by the block in the interval t = n – 1 to t = n. Then, the ratio `S_n/(S_(n + 1))` is ______.
