Question

A list of common metals arranged in order of their decreasing reactivity is known as an _____

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Answer 1

Answer:

Reactivity series  

Explanation:

1. pottasium  (K)

2. Sodium     (Na)            

3. Calcium    (Ca)

4. Magnesium (Mg)

5. Aluminium   (Al)

6. Zinc            (Zn)

7.    Iron    (Fe)

8. Tin    (Sn)

9. Lead     (Pb)

10. Hydrogen (H)

11.   Copper    (Cu)

12.   Mercury    (Hg)

13. Silver    (Ag)

14. Gold   (Au)

K, Na, Ca, Mg, Al  - Most reactive

Zn, Sn, Pb, H - Medium reactive

Hg, Cu, Ag, Au- Least reactive

Answer 2

Answer:

K, Na, Ca, Mg, Al-most reactive

Zn, Fe, Pb, [H]-reactive decrease

Cu, Hg, Ag, Au- least reactive