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Chem. Formula Terms

WSHS - Physical Science - Chemical Formula Terms - Stevens/Tedder

QuestionAnswer
compound what is formed when two or more elements chemically combine
chemical formulas represent compound
symbols represent elements
stable what an atom with a completed outer energy level is called
ion a charged particle
ionic bond formed by TRANSFERRING electrons when electrons are lost or gained; i.e. table salt
molecules particles that result from covalent bonding
covalent bonding formed when electrons are SHARED: the type of bond that holds water together
oxidation number the number of electrons involved in forming a compound; indicates how many electrons an atom gains or loses or shares
binary componds composed of 2 elements; the end in IDE
valence number the number of electrons located on the last energy level
polyatomic ion a group of atoms that stay together and have one charge
diatomic molecules there are a total of seven (7); under ordinary conditions on Earth, they are NEVER alone
ionization the process in which electrons are lost or gained during a chemical reaction
Created by: ktedder
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