Chapter 5 Vocabulary Chem
Terms
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- acid
- compound that begins with the H+ ion
- anion
- negative ion
- atom
- smallest particle of an element that retains the properties of that element
- binary compound
- a compound that contains 2 and only 2 elements
- cation
- positive ion
- chemical formula
- a shorthand representation for a molecule for a formula unit
- chemical symbol
- a shorthand representation of an element
- compound
- pure substance composed of 2 or more elements combned chemically in definite proportions
- ductile
- able to be stretched into wire
- element
- pure substance that cannot be broken down into simpler substances by chemical or physical changes
- formula unit
- lowest whole-number ratio of ions in an ionic compound
- ion
- a changed atom or group of atoms
- malleable
- able to be pounded into thing sheets
- metalloid
- nonmetal
- molecular formula
- a formula for a compound as it exists in nature
- molecule
- a neutral group of atoms that are combined chemically and act as a unit
- polyatomic ion
- a chagred group of covalently charged atoms that bega