Element Compound and Mixture

Which of the following describe the composition of a pure substance?

• Is the same in all parts of the substance – can be either an element or a compound

• 
  Is the same in all parts of the substance – can only be an element

• 
  Is the not the same in all parts of the substance

Which types of atoms can be found in a pure piece of gold?

• 
  Carbon atoms

• Trace amounts of other elements

• 
  Gold atoms

What is element?

(a)  

What is compound?

(a)  

What is mixture?

(a)  

An elements is made up of two types of atoms.

• True

• False

Molecules are particles made of two or more atoms joined together.

• True

• False

A compound is formed by the formation of at least two different atoms.

• True

• False

Mixture contains different elements and/or compounds that are joined together chemically.

• True

• False

Categorize the following as elements, compounds or mixtures.

"Air"

• Element

• Compound

• Mixture