2.3 Elements And Compounds
Question: Element
Answer: The simplest form of matter that has a unique set of properties
Question: Compound
Answer: A substance that contains two or more elements chemically combined in a fixed proportion
Question: Chemical change
Answer: A change that produces matter with a different composition than the original matter
Question: Chemical symbol
Answer: Represents elements; the first letter is always capitalized and the second is lowercase
Question: Periodic table
Answer: An arrangement of elements in which the elements are separated into groups based on a set of repeating properties