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19 Cards in this Set

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ion
the number of electrons changes since electrons have a negative charges adding or subtracting eletrons affect the change of the atom
meter
the basic unit of length in th SI system
liter
the basic unit of liquid in the SI system
gram
the basic unit of weight in the SI system
proton
positively charged particles
neutron
neutral particals
nucleus
center of the atom contains neutrons and protrons
electron
negatively charged particles
molecule
smallest part of a compound
mixture
2 or more elements combine but contain thier orignal properties and can be separated
isotope
atoms of the same element that have the same number of protons but have different number of nuetrons
symbol
represents the element
subscript
# following the elemnt that tells how many atoms of that element are present
weathering
breaking down of rocks into smaller and smaller peices by means of mechanical or chemical
erosion
the removal and transport of material by wind water and ice
cementation
like glueing 2 layers of rocks together
compaction
pressing 2 layers of rock together
surface waves
mmove the ground up and down in circles as the waves travel along the surface; most destructive
magma
the hot liquid that forms when rock partically or complately melts