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Question

Question 46
(a) In this crossword puzzle (Fig 3.2), names of 11 elements are hidden Symbols of these are given below. Complete the puzzle

1. CI 7. He

2. H 8. F

3. Ar 9. Kr

4. O 10. Rn

5. Xe 11. Ne

6. N

(b) Identify the total number of inert gases, their names and symbols from this crossword puzzle


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Solution

(a) The names of these elements are given as follows:
1. Cl - Chlorine 7. He - helium
2. H - Hydrogen 8. F - Fluorine
3. Ar - Argon 9. Kr - Krypton
4. O - Oxygen 10. Rn - Radon
5. Xe - Xenon 11. Ne - Neon
6. N - Nitrogen

(b) Total number of inert gases in this crossword puzzle is 6. Their names and symbols are as follows
S.NoName of gasSymbol1.Heliumhe2.NeonNe3.ArgonAr4.KryptonKr5.XenonXe6.RadonRn

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