Elements, Compounds & Mixtures

How can you get a sample of salt from seawater?

• Evaporate the water off

• Filter the seawater

• Add oil and decant off the top layer

• Make a chromatogram

All of the following are elements EXCEPT:

• Carbon

• Aluminum

• Ammonia

• Platinum

An element can be defined as …

• a mixture of different compounds

• a pure compound

• a substance made of only one type of atom

• a substance made up of two or more types of atom

A liquid that dissolves other substances is called a …

• Solution

• Solvent

• Solute

• Suspension

A substance that contains two or more different types of atoms chemically bonded together and are difficult to separate is…

• An element

• A compound

• A mixture

• None of the above

A _____________ is a mixture of fine particles of insoluble solid spread throughout a liquid.

• Solution

• Solute

• Suspension

• Solute

Which of the following substances is NOT a solution?

• Sea Water

• Lemonade

• Sugar water

• Milk

Which of the following is the chemical symbol for Tungsten?

• W

• K

• T

• Tg

Ag is the chemical symbol for...

• Gold

• Silver

• Platinum

• Copper

All of the following are elements EXCEPT?

• Sulphur

• Carbon

• Copper

• Water