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IPC ch 4 DC
IPC ch 4 DC
16
Science
9th Grade
12/06/2011

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Term
amino acid
Definition
any one of 20 different naturally occurring organic molecules that combine to form proteins.
Term
biochemical compound
Definition
any organic compound that has an important role in living things
Term
bond angle
Definition
the angle formed by two bonds to the same atom
Term
bond length
Definition
the average distance between the nuclei of two atoms bonded to each other
Term
carbohydrate
Definition
any organic compound that is made of
carbon, hydrogen, and oxygen and that provides nutrients to the cells of living things
Term
chemical bond
Definition
the attractive force that holds atoms or ions together
Term
chemical structure
Definition
the arrangement of bonded atoms or ions within a substance
Term
covalent bond
Definition
a bond formed when atoms share one or more pairs of electrons
Term
empirical formula
Definition
the simplest chemical
formula of a compound that tells the smallest whole-number ratio of atoms in
the compound
Term
ionic bond
Definition
a bond formed by the attraction between
oppositely charged ions
Term
metallic bond
Definition
a bond formed by the attraction
between positively charged metal ions and the electrons around them
Term
molecular formula
Definition
a chemical formula that reports the actual numbers of atoms in one molecule of a compound
Term
organic compound
Definition
any covalently bonded compound that contains carbon
Term
polyatomic ion
Definition
an ion made of two or more atoms that are covalently bonded and that act like a single ion
Term
polymer
Definition
a large organic molecule made of many smaller bonded units
Term
protein
Definition
a biological polymer made of bonded amino acids
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