Assigning Oxidation Numbers

Front

What is the oxidation number of an element in its stable elemental form?

Back

0

Front

What is the oxidation number of oxygen (O) in O2?

Back

0

Front

What is the oxidation number of nitrogen (N) in NO?

Back

+2

Front

What is the total oxidation number of elements in H2SO4?

Back

0

Front

What is the oxidation number of hydrogen (H) in H2O?

Back

+1

Front

What is the oxidation number of oxygen (O) in H2O2?

Back

-1

Front

What is the oxidation number of sulfur (S) in H2SO4?

Back

+6

Front

What is the oxidation number of chlorine (Cl) in NaCl?

Back

-1

Front

What is the oxidation number of carbon (C) in CO2?

Back

+4

Front

What is the oxidation number of phosphorus (P) in H3PO4?

Back

+5