2nd 9 Weeks Chemistry Cumulative

Which of the following labs involve a physical change?

• Lab where a cake is baked

• A lab where you burn paper

• Lab where magnesium metal is cut into smaller strips

• A lab where acid corrodes metal

Remember that an INTENSIVE PROPERTY is always the same no matter how much. An EXTENSIVE PROPERTY can change if you add or remove more of the sample. Based on this, which option is the intensive property?

• Length

• Mass

• Density

• Volume

Read the question in the image and determine which of the following is an EXTENSIVE property of the substance.

• Option 1

• Option 2

• Option 3

• Option 4

Based on the image, hydrogen and chlorine have what type of bond?

• Covalent

• Ionic

• Metallic

• Physical

Answer the image in the question.

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Which diagram correctly shows how magnesium and fluorine would bond?

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What is the name of the compound P₃O₄?

• Phosphorus Oxygen

• Phosphorus Oxide

• Triphosphorus oxygen

• Triphosphorus Tetraoxide

What is the formula for the chemical aluminum sulfate?

• Al₂S₃

• AlS

• Al(SO₄)

• Al₂(SO₄)₃

What is the chemical formula for the chemical Iridium (III) Hydroxide?

• Ir(OH)₃

• IrH

• IrOH

• Ir₃(OH)

Which of the following compound has covalent bonds?

• CH₄

• MnNO₃

• FeS

• BaBr₂