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BJU Physical Sci 5

BJU Physical Science - Ch 5 6th edition

TermDefinition
binary compound A compound made from only two elements.
chemical bond An electrostatic attraction that forms between atoms when they share or transfer valence electrons.
chemical formula A shorthand way of identifying a chemical compound consisting of the element symbols and subscripts that represent the number of atoms of each element.
covalent bond A chemical bond formed as a result of two atoms sharing valence electrons.
diatomic molecule A molecule made of two atoms.
formula unit The smallest whole-number ratio of ions within an ionic compound.
ionic bond A chemical bond formed when atoms transfer valence electrons.
Lewis structure A system for modeling the covalent bonds between atoms in a molecule and any unbonded electrons in the molecule.
metallic bond The attraction between metal atoms and their collectively shared valence electrons.
octet rule The principle that states that atoms generally are most stable when they have eight electrons in their valence energy level.
oxidation state A positive or negative number showing the electric charge on an element when it forms a compound.
polarity The unequal distribution of electric charge in a covalent bond.
polyatomic ion A group of covalently bonded atoms that together have gained or lost electrons and act as a single ionized particle.
Created by: marchscience
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