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

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