ICP UNIT 1 + 2

What are the two possible types of a pure substance?

• Mixtures and solutions
• Gases and liquids
• Elements and compounds
• Solids and aerosols

What are the two possible types of mixtures?

• Homogeneous and Heterogeneous mixtures
• Natural and Artificial mixtures
• Pure and Impure mixtures
• Element and compound mixtures

A pure substance is matter that always has exactly the ____ composition.

Is table salt a pure substance?

• Yes

• No

Can an element be broken down into simpler substances?

• Yes

• No

An element has a fixed composition due to the fact that it has _____ type(s) of atoms.

• one
• four
• three
• two

Do any two elements have the same type of atom?

• No, two elements do not have the same type of atom.
• Yes, two elements can have the same type of atom.

Which of the pure substances below are an element?

• Gold

• Sodium Chloride
• Carbon Dioxide
• Water
• Oxygen

How are compounds made?

• Compounds are made by heating elements together, and seeing them physically fuse.

• Compounds are made by combining two or more elements through chemical reactions.
• Compounds are made by separating elements from each other.

A compound always contains two or more elements in a _____ position.

• variable
• random
• unpredictable
• fixed
• concrete