Rules of assigning oxidation numbers Flashcards
1
Q
Element by itself
A
=0
2
Q
Group 1 of the periodic table
A
=+1
3
Q
Group 2 of the periodic table
A
=+2
4
Q
Hydrogen
A
=-1 in metals and=+1 in non-metals
5
Q
Oxygen
A
=-2 usally but =-1 in H2O2
6
Q
Halogens
A
=-1 usually but positive with oxygen
7
Q
Floride
A
=-1
