Chemical Reactions: Oxygen

Oxidation is the name for a chemical reaction in which oxygen is added to a substance.

• True

• False

Rusting is an example of a reaction where oxygen is added.

• True

• False

Copper dioxide is produced when copper reacts with oxygen

• True

• False

Burning is an example of oxidation

• True

• False

After burning, the resulting substance will lose some of its mass

• True

• False

Magnesium oxide is produced when magnesium reacts with oxygen

• True

• False

The products of burning, a chemical reaction, will increase its mass after heating.

• True

• False

What happens in a chemical reaction?

• Bonds between atoms break and/or are formed

• New atoms are created and/or removed

• Protons move from one atom to another

• Electrons change into protons

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The substances listed on the left side of a chemical equation are the

• Products
• Coefficients
• Precipitates
• Reactants

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In chemical reactions, what does the principle of conservation of mass mean?

• Matter is not created or destroyed.
• The total mass of the reactants is greater than the total mass of the products.
• The total mass of the reactants is less than the total mass of the products.
• Matter is not changed.
  

Tags

NGSS.MS-PS1-5