Unit 2 Matter and its Properties

Which of these is an element?

• Salt (NaCl)

• Water (H20)

• Oxygen (O)

• Carbon Dioxide (CO2)

Which of these is a compound?

• Aluminium (Al)

• Carbon Dioxide (CO2)

• Nitrogen (N)

• Sand

Tags

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The picture shown here is what type of mixture?

• homogeneous
• hetergeneous
• pure substance
• element

All matter can be classified as _________.

• elements or compounds

• compounds or mixtures

• pure substances or mixtures

Solutions are ___________ mixtures.

• Solid

• Homogenous

• Heterogeneous

• Gas

Fluids with very high viscosity flow very _______________________.

• fast

• not at all

• slow

• whenever it wants

What is viscosity?

• A liquid's resistance to flow.
• a liquids flow.
• a liquid
• gas to solid.

Tags

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The ability of a substance to be pressed or pounded into a thin sheet.

• magnetism

• conductivity

• ductility

• malleability

The ability of a substance to conduct heat, sound, or electricity.

• malleability

• magnetism

• color

• conductivity

Tags

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The ability of a substance to resist being scratched.

• ductility

• hardness

• solubility

• color