Lesson 4: Compound Chemistry

a solid that has a regular, repeating arrangements of atoms

crystals that are considered more valuable than others

molecules that are arranged in long chains of many repeating small molecules

great polymers that are light, strong, and easily recyclable

tastes sour, conducts electricity, ruins metal, and donates hydrogen ions

the chemical opposite of an acid

when two or more chemical substances interact with each other and change into different chemical substances

does not change the molecules; only changes the way things look

the substances you start with in a chemical reaction

a substance that speeds up a chemical reaction without being used up in the process