Elements and Compounds

How many different elements are in this chemical formula: C₂H₂ClK₃

• 6
• 8
• 2
• 4

Which of the following atomic symbols is written correctly?

• ee
• hE
• C
• CL

Which of the following is a pure substance?

• O₂
• Al₂CO₅
• C₆H₁₂O₆
• SiO₂

Which of the following chemical formulas represents a compound? 

• C₃
• O₂
• CH₃CHO
• H₂

Can be found on the periodic table

• Element
• Compound
• MIxture

What is water?

• element
• compound
• mixture

This picture represents which of the following?

• element
• compound
• mixture

Identify

• Element
• Compound 
• Mixture

Which one has more than one type of atom in it

• Element
• Compound 

which one only has one type of atom In it.

• Element
• compound