"IB & A Level Redox Crossword": HTML5 Crossword

Across

1. This kind of equations has electrons in it (4)
2. The nitrate ion is an example of a ............................ ion (8)
6. The oxidation number of an element in a ....................... ion is always the same as the charge. (9)
7. Oxygen behaving unusually (9)
9. Redox occuring in your cells right now (11)
11. Rust is .......................... iron (III) oxide (8)
13. A useful acronym (6)
16. A kind of protection from rusting used especially in seawater (11,0)
18. The old name for the sulphate(IV) ion (8)
19. The oxidation number of the chlorine in HClO4 (5)

Down

1. The fuel in some space rockets (8)
3. Important redox reaction for autotrophs (14)
4. Gain of electrons or hydrogen or the loss of oxygen (9)
5. The halogens are all ........................... agents (9)
8. A metal used for sacrificial protection (9)
10. The name given to the IO3- ion (6)
12. Percentage of iron & steel that is damaged by rusting each year (6)
14. During oxidation, hydrogen is ....................... (4)
15. When two half equations are combined, they must then be ........................... (8)
17. The old name for the nitrate(III) ion (7)