Ch 1 & 2 Terms

The energy required to start a chemical reaction.

• Activation Energy
• Kinetic Energy
• Potential Energy
• Heat

A change that produces new substances with new properties.

• Chemical Change
• Chemical Property
• Physical Change
• Physical Property

A property characteristic of a substance when it is involved in a chemical change.

• Chemical Property
• Chemical Change
• Physical Change
• Physical Property

A substance that is composed of atoms of two or more elements linked by chemical bonds.

• Compound
• Element
• Homogeneous Mixture
• Heterogeneous Mixture

The mass of an object divided by its volume.

• Density
• Weight
• Area
• Inertia

The ability to be drawn into a wire.

• Ductility
• Malleability
• Density
• Viscocity

A substance composed of only one kind of atom with the same number of protons in the nucleus.

• Element
• Compound
• Mixture

A change that takes place with the absorption of heat

• Endothermic
• Exothermic
• Homothermic
• Heterothermic

A property of all matter that can be converted to work under proper conditions.

• Energy
• Thermal Properties
• Density
• Weight

A change that produces heat.

• Exothermic
• Endothermic
• Homothermic
• Heterothermic