Assigning Oxidation Numbers

Front

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

Back

0

Front

What is the oxidation number of alkali metals (Group 1) in compounds?

Back

+1

Front

What is the oxidation number of alkaline earth metals (Group 2) in compounds?

Back

+2

Front

What is the oxidation number of oxygen in most compounds?

Back

-2

Front

What is the oxidation number of hydrogen in most compounds?

Back

+1

Front

What is the oxidation number of sulfur in sulfate (SO4^2-)?

Back

+6

Front

What is the oxidation number of chlorine in ClO3^-?

Back

+5

Front

What is the oxidation number of carbon in CO2?

Back

+4

Front

What is the oxidation number of nitrogen in NH3?

Back

-3

Front

What is the oxidation number of sodium (Na) in NaCl?

Back

+1