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The atomic symbol of Iron is ____
The chemical symbol for copper is
The chemical symbol for nitrogen gas is
The chemical symbol for sodium is
Which of the following symbols of elements are incorrect? Give their correct symbols
In this crossword puzzle (Fig 3.2), names of 11 elements are hidden. Symbols of these are given below. Complete the puzzle. 1. Cl 2. H 3. Ar 4. O 5. Xe 6. N 7. He 8. F 9. Kr 10. Rn 11. Ne
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