Question

Which of the following symbols of elements are incorrect? Give their correct symbols

Complete the following crossword puzzle (Fig. 3.1) by using the name of the chemical elements. Use the data given in Table 3.2.

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