redox

Question 1

oxidation

Answer 1

loss of e-

Question 2

reduction

Answer 2

gain of e-

Question 3

rules for oxidation no

Answer 3

1. all elements in simple form = 0
2. grp 1 = +1
   grp 2 = 2+
   al = 3+
   F = -1
   o = -2
   cl,br,I = -1

Question 4

naming using roman numerals

Answer 4

just how many atoms are in the compounds

Question 5

redox reactions

Answer 5

when the same element/compound is being reduced and oxidised in the same reaction

Question 6

roman numerals

Answer 6

when elements have multiple oxidation numbers