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प्रश्न
Give one example of isotopes.
उत्तर
Example - \[\ce{^235_92 U, ^238_92 U}\] or \[\ce{^12_6C, ^13_6C, ^14_6C}\]
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संबंधित प्रश्न
State whether the following statement is true or false :
Radioactive isotope of iodine is used for making the medicine called tincture iodine.
What is the relationship between an atom containing 11 protons, 11 electrons and 11 neutrons, and another atom containing 11 protons, 11 electrons and 12 neutrons?
What name is given to those isotopes which have unstable nuclei and emit various types of radiations ?
(a) What are isotopes ? Explain by giving an example.
(b) Give one similarity and one difference between a pair of isotopes.
(c) Give the number of protons, neutrons and electrons per atom in the two isotopes of chlorine `""_17^35"Cl"` and `""_17^35"Cl"`.
(a) What are radioactive isotopes ? Give two examples of radioactive isotopes.
(b) Give any two uses of radioactive isotopes.
(c) An element Z contains two naturally occurring isotopes `""_17^35"Z"` and `""_17^37"Z"`. If the average atomic mass of this element be 35.5 u, calculate the percentage of two isotopes.
The composition of two atomic particles is given below :
| X | Y | |
| Protons : | 8 | 8 |
| Neutrons : | 8 | 9 |
| Electrons : | 8 | 8 |
(i) What is the mass number of X ?
(ii) What is the mass number of Y ?
(iii) What is the relation between X and Y ?
(iv) Which element/elements do they represent ?
What are isotopes? With reference to which fundamental particle do isotopes differ? Give two uses of isotopes.
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].
Why do \[\ce{^35_17{CI}}\] and \[\ce{^37_17{CI}}\] and have the same chemical properties? In what respect do these atoms differ?
Which statement is not correct about the isotopes of an element?
