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प्रश्न
Explain the Isotopes with example.
उत्तर
- Isotopes are atoms of the same element having the same atomic number but different mass numbers.
- eg.,- 126C and 146C
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संबंधित प्रश्न
Fill in the blanks of the following statement :
An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of the atom is ___________.
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 reason for the identical chemical properties of all the isotopes of an element ? Explain with the help of an example.
Explain why, the atomic masses of many elements are in fractions and not whole numbers.
Name the atoms of a substance having same atomic number, but different mass numbers. Give one example of such a substance. How do the structures of such atoms differ?
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].
Four elements A, B, C, D are given :
- A shows the presence of 20 neutrons, 17 protons and 17 electrons.
- B shows the presence of 18 neutrons, 17 protons and 17 electrons.
- C shows the presence of 10 neutrons, 9 protons and 10 electrons.
- D shows the presence of 4 neutrons, 3 protons and 2 electrons.
State which of the above is –
- an anion
- a cation
- a pair of isotopes.
Write the formula of the compound formed between D and C.
What are isotones? Give one example.
Why do \[\ce{^35_17{CI}}\] and \[\ce{^37_17{CI}}\] and have the same chemical properties? In what respect do these atoms differ?
Isotopes of elements have the same chemical properties.
