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CHEM S1 STACK

Chemistry semester 1 review

QuestionAnswer
2 categories used to classify properties of matter extensive or intensive
what is an intensive property? property that depends on the type of matter in the sample, not the amount.
what is an extensive property? property that depends on the amount of matter in a sample, not the type.
what is volume? the volume of an object is the measure of space occupied by that object.
what is mass? the mass of an object is the measure of the amount of matter the object contains.
define substance? matter that has a uniform and definite composition.
what are the 3 states of matter? solid, liquid and gas.
define solid? definite shape, definite volume, not easily compressed.
define liquid? indefinite shape, definite volume, not easily compressed.
define gas? indefinite shape, indefinite volume, easily compressed
what is a mixture? a mixture is a physical blend of two or more components
what is a heterogeneous mixture? a mixture in which the composition is not uniform throughout
what is a homogeneous mixture? a mixture in which the composition is uniform throughout
what is another word for homogeneous mixture? solution
what is an element? the simplest form of matter that has a unique set of properties
what is the atomic radius? one half the distance between the nuclei of two atoms of the same element when the atoms are joined
define cation? an ion with a positive charge
define anion? an ion with a negative charge
what is ionization energy? the energy required to remove an electron from an atom
define coordination number the number of opposite charged ions that surround an ion in a crystal
Created by: pudl1