Grade 6 Chemistry

What is the tiniest particle in the entire universe?

• cells
• gases
• atoms
• liquids

What is the term for combining 2 or more DIFFERENT atoms together?

• atoms
• elements
• molecules
• compounds

What is the picture displayed?

• atom
• element
• molecule
• compound

Which one has more than one type of atom in it

• Element
• Compound 

Which of the following is not a compound?

• O

• CHO

• NaCl

• CHLi

Which of the following is a compound from the chemical reaction listed above?

• Oxygen

• Hydrogen

• Water

• Carbon

Which of the following diagrams illustrates a compound?

• 
• 
• 
• None of the above

Which of the following best describes the difference between elements & compounds?

• Elements and compounds are so similar in chemical nature that they are virtually the same thing.

• Elements and pure substances composed of one kind of particles whereas compounds are substances that contain two or more elements that have chemically combined.

• Elements can be found naturally whereas compounds have to be created by scientist.

• Elements are substances that contain two or more particles that have chemically combined whereas compounds are pure substances composed of one kind of particle.

How many atoms of oxygen are there in water? H₂O

• 1
• 2
• 0

How many atoms of sulphur are in sulphuric acid? H₂SO₄

• 6
• 2
• 4
• 1