UNIT 1 PT B (oxidation numbers

Question 1

what oxidation number do group 1 elements have

Answer 1

+1

Question 2

what oxidation number do group 2 elements have

Answer 2

+2

Question 3

what oxidation numbers do hydrogen have (and for which specific cases)

Answer 3

+1 if bonded with nonmetals, -1 if bonded with metals

Question 4

what oxidation number does fluorine have

Answer 4

-1

Question 5

what oxidation number does oxygen(O) have

Answer 5

-2, unless coupled with a more electronegative atom(like fluorine) or a group 1 or 2 metal(in this case, it might be +2 or -1)

Question 6

what oxidation number do group 17 atoms have

Answer 6

-1 in combination with metals, nonmetals(except O), and other halogens down the group