Energy & Matter Review

LO 1: What are the three subatomic particles?

• Molecules, Protons, Neutrons

• Atoms, Protons, Neutrons

• Atoms, Protons, Electrons

• Protons, Neutrons, Electrons

LO 1: A neutron has a __________ charge.

• Positive

• Negative

• Neutral

• None of the above.

LO 2: Which subatomic particles are represented by the yellow circles in this diagram?

• Protons

• Neutrons

• Electrons

• Atoms

LO 2: Which subatomic particles orbit around the nucleus this atom?

• Protons

• Neutrons

• Electrons

• Molecules

LO 3: How many protons does the element carbon have?

• 6

• 12

• 12.011

• 6.011

LO 3: How many neutrons does a stable atom of oxygen have?

• 16

• 8

• 15.99

• 0

LO 4: This is the chemical formula of a molecule. Which elements are found in this molecule?

• 1 Nitrogen, 1 Androgen, 1 Oxygen, 1 Hydrogen

• 1 Sodium, 1 Oxygen, 1 Hydrogen

• 2 Sodium, 1 Oxygen, 1 Hydrogen

• 1 Sodium, 1 Oxyhydron

LO 4: Which of these chemical formulas has two Nitrogen atoms and one Oxygen atom?

• 
• 
• 
• 

LO 5: During a chemical change, what happens to a substance? Choose ALL of the choices that are true.

• New bonds form between molecules.

• The substance changes into a new substance.

• The molecules stay the same.

• The substance reverts back to it's original shape.

LO 5: When metal turns to rust, this is an example of :

• Chemical Change

• Physical Change

• Both a physical and chemical change

• Neither a physical or chemical change.