1. Chapter 3 Review

2. What is a substance that cannot be broken down any further and remain that substance?
Element
What kind of mixture is the following:
Heterogeneous

3. What type of bond is below:
Covalent
Which Sesame Street character is this:
Oscar the Grouch

4. What is the state of matter that molecules are densely packed and have their own shape?
Solids
What is the change of state from a solid to a gas?
Sublimation
What is the most abundant element in the Earth’s Crust?
Oxygen

5. What Transformer character is this:
Optimus Prime
What two elements only want 2 valence electrons?
Hydrogen and Helium

6. What type of substance would have a pH of 10?
Acid
To be a molecule what type of bond has to occur?
Covalent
What state of matter has no definite volume or shape?
Gas

7. What type of mixture is the following:
Homogeneous
What is the change in state from a gas to a liquid?
Evaporation