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State whether the following statement is...

State whether the following statement is true is false :
Radioactive isotope of iodine is used for making the medicine called tincture iodine.

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The correct Answer is:
False
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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
  1. Which radioactive isotope is used to determine the activity of thyroid...

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  2. State one use of radioactive isotopes is industry.

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  3. State whether the following statement is true is false : Radioactive...

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  4. What name is given to those atoms which contain the same numer of prot...

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  5. What is the relationship between an atom containing 11 protons, 11 ele...

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  6. What name is given to the pair of atoms such as .(7)^(14) N and .(7)^(...

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  7. What name is given to those isotopes which have unstable nuclei and em...

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  8. Fill in the following blanks in respect of an atom of an element :

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  9. Complete the following statements : (a) Magnesium has 2 valence elec...

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  10. The nucleus of an atom has 5 protons and 6 neutrons. What would be the...

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  11. Write the electronic configuration of the element with atomic number ...

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  12. The atomic number of an element X is 16 (a) Write down the electric ...

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  13. What valencies will be shown by the elements A, B, C, D and E having a...

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  14. Give one use each of the follwing radioactive isotopes : (a) Uranium...

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  15. Explain why .(1)^(3)H and .(2)^(3)He are not considered isotopes

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  16. What is the reason for the different atomic masses of the isotopes of ...

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  17. What is the reason for the identical chemical properties of all the is...

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  18. What is the reason for the slightly different physical properties of a...

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  19. Explain why, the atomic masses of many elements are in fractions and n...

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  20. Which of the following are isotopes and which are isobars ? Argon, D...

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