Periodic Table Quiz Symbols

1. The formula for calcium chloride is CaCl₂. What does Ca represent?

2. In the formula H₂O, what element is represented by O?

3. A safety sheet identifies a liquid metal with the symbol Hg. Which element does this mean?

4. In the isotope notation ¹⁴C, which element is represented by C?

5. A microchip specification lists Si as a primary material. Which element is meant?

6. A piece of jewelry is marked Ag. Which element does that symbol identify?

7. An older light-bulb specification identifies the filament material with the symbol W. Which element is it?

8. A soil report recommends adding more of the nutrient represented by K. Which element is this?

9. A laboratory sample is marked Fe. Which element is in the sample?

10. A coating specification uses the symbol Sn. Which element is being specified?

11. An ingredient list includes a compound containing Mg. Which element does Mg represent?

12. A nutrition label lists the element symbol Na. Which element does it represent?

13. A battery-recycling label warns that the product contains Pb. Which element is present?

14. A metal sample is stamped Au. Which element does the stamp indicate?

15. A lighting tube contains the element represented by Ne. Which element is it?

16. Which label shows the correct symbol for cobalt?