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प्रश्न
What name is given to those atoms which contain the same number of protons and electrons but different number of neutrons?
उत्तर
Atoms which contain the same number of protons and electrons, but different number of neutrons are known as isotopes of an element.
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संबंधित प्रश्न
What is the reason for the different atomic masses of the isotopes of an element ?
What is the reason for the slightly different physical properties of all the isotopes of an element ?
The radioactive isotope used in the treatment of cancer is :
Chlorine is an element of atomic number 17. It is a mixture of two isotopes having mass number of 35 and 37.
- What is meant by “atomic number of an element”? What do you understand by an ‘atom’
- Write down the electronic configuration of the chlorine atom.
- State the number of protons, electrons, and neutrons in the following isotopes: 35Cl17, 37Cl17
- Explain why the two atoms in (iii) above have the same chemical reactions.
- If molten magnesium chloride is electrolyzed suggest a suitable electrode [anode].
Ordinary chlorine gas has two isotopes: \[\ce{^35_17Cl}\] and \[\ce{^37_17Cl}\] in the ratio of 3 : 1. Calculate the relative atomic mass [atomic weight] of chlorine.
Give the reason why isotopes have the same chemical but different physical properties.
Name or state the following.
The three isotopes of hydrogen.
Change in the number of neutrons in an atom changes it to ______.
U-235 Isotope is used as ______.
Distinguish isotopes from isobar
