Substances & Mixtures Review

Elements

• are made of two or more types of atoms bonded together

• are made of one type of atom

• are made of two or more types of molecules

• are always individual atoms

Tags

8.P.1.1

A substance that cannot be broken down further chemically is known as...

• an element

• a compound

• a molecule

• a mixture

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8.P.1.1

Which of the following are examples of ELEMENTS? Choose all that are correct.

• Oxygen (O)

• Water

  (H₂O)

• Flourine

  (F)

• Lemonade

• Sulfur Dioxide (SO₂)

Tags

8.P.1.1

Compounds

• are made of two or more types of atoms chemically bonded together

• are made of one type of atom

• are found on the periodic table

• can be separated into their individual parts through physical means

Tags

8.P.1.1

Which of the following are examples of compounds? Check all that apply.

• Salt

  (NaCl)

• Salt Water

  (NaCl and H₂O)

• Sugar

  (C₆H₁₂O₆)

• Carbon Dioxide

  (CO₂)

Tags

8.P.1.1

The bonds of compounds can be broken easily because they are not chemically bonded.

• True

• False

Tags

8.P.1.1

When substances combine chemically...

• they form a mixture and their properties change

• they form a compound and their properties change

• they form a mixture where their properties stay the same

• the form a compound where their properties stay the same

Tags

8.P.1.1

Which of the following are examples of Mixtures?

• The atmosphere

  (N + O + Ar + H₂O...)

• Carbon Dioxide (CO₂)

• Oxygen

  (O₂₎

• Lemonade

  (sugar, lemon juice, water)

• Anything on the Periodic Table

Tags

8.P.1.1

Mixtures

• are made of two different types of atoms chemically bonded together

• Are only liquids

• Cannot be separated

• Can be separated using physical properties

Tags

8.P.1.1

Pure Substances

• Are only made of one type of atom

• Have the same properties throughout

• Can never be broken down into something simpler

• Are only made of molecules

Tags

8.P.1.1