Chemical Compounds

What is a compound? (pg 206)

• Two or more elements that have different properties than the elements that make them up.
• A word with two meanings
• A place to store molecules
• An element that changes when heated

A chemical reaction is a process in which two or more substances are changed into one or more different substances. (pg 208)

• True
• False

Salt is a chemical compound made of which two elements? pg 210

• Salt and Pepper
• Sodium and Chlorine
• Sodium and Vinegar
• Salt and Baking Soda

What is earth's most abundant compound? Hint... H2O (pg 211)

• Water
• Oxygen
• Hydrogen
• Helium

This property can be measured or noticed by your senses, (taste, hear, see, feel). pg 213

• Physical Property
• Chemical Property

The temperature at which a solid changes to a liquid is the... (pg 215)

• Melting point
• Boiling Point
• Steam Point
• Vaporizing Point

Conductivity measures how well a substance carries __________. Pg 216

• Water
• Energy
• Vapor
• Steam

Acids are all around us. Which of the following is an acid?

• Orange Juice
• Soap
• Baking Soda
• Bean Water

Bases are bitter and found all around us. Which of the following is a base?

• Soap
• Vinegar
• Mustard
• Ketchup

When strong acid reacts with a strong base, they make a ________. (pg 219)

• Reaction
• Salt
• Vapor
• Dissolve