Redox Reaction Oxidation Number

If an atom loses electrons during a chemical reaction, the atom was:

• Oxidized

• Reduced

• Neutralized

• Precipitated

Tags

NGSS.HS-PS1-2

Oxidation is the _________ of electrons.

• loss

• gain

• sharing

• transfer

Tags

NGSS.HS-PS1-1

What element is being Oxidized?

• N

• H

• O

• S

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

What element is being Reduced?

• N

• H

• O

• S

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

• is reduced

• is oxidized

Three reactions are shown below. NO+O₃ →NO₂ +O₂ 2C +O₂ → 2CO 2MgO+O₂ → 2MgO Which row correctly describes the process each reactant molecule undergoes?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-2

Lead(II) oxide undergoes a number of different redox reactions. In which of the following reactions is lead(II) oxide,PbO, not reduced?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-7

• is reduced

• is oxidized

Magnesium reacts with iron(III) oxide in the following reaction.

• A

• B

• C

• D

Tags

NGSS.HS-PS1-2

Determine the oxidation number of the following element: Aluminum (Al)

(a)  

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1