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the electrons in the outermost occupied shell of an atom.
the energy level, or shell, of an atom that contains the valence electrons.
a number that indicates how the atom will react during the formation of chemical bonds.
a measure of the number of bonds formed by an atom of a given element.
Valley climates are influenced by three natural factors: aspect (the direction in which the...
what an amount of money can buy in terms of goods and services.
tax levied by the government on certain goods and services. See input VAT and output VAT
Values are the social principles that help to create society's laws and a business's policies...
the force of attraction between neutral molecules or the atoms of a monatomic gas weak forces...