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Geology final

final study guide

most abundant elements in earths crust silicon and oxygen
sharing of electrons is covalent
a chemical element is a substance made up by atoms, all of which have the same: number of protons
an example of a nonferromagneisian silicate mineral is quartz
the ratio of a minerals weight to the weight of a equal volume of water is its gravity
chemical elements having 8 electrons in their outermost electron shell are the Nobel gases
the atomic number of an element is determined by number of protons
to which of the following groups do most minerals in the earths crust belong silicates
when an atom gains or loses an electron, it becomes: ion
which of the fundamental forces is not involved in the structure of an atom gravity
these minerals have good cleavage carbonates
anions are ____ charged because they have ____ electrons negatively, gained
after silicates, the most important rock-forming mineral is carbonates
lacks good cleavage quartz
density of minerals refers to weight per unit volume and weight relativity to water
the single most abundant mineral on earth quartz
this gem mineral is an oxide mineral of aluminum sapphire
which is a phyllosilicate clay minerals
calcite will scratch glass : true or false true
most gem minerals belong to this group (except for diamonds) silicates, oxides
bonding in minerals is mostly ionic
the two most abundant elements in the earths crust oxygen, silicon
the charged atoms that make up most crystal structures ions
minerals are classified on the basis of their negatively charged atoms (anions)
_________ are examples of sheet silicates mica and clay minerals
the tendency of minerals to break along smooth plans cleavage
most common single mineral on earth quartz
all minerals are crystalline means all minerals have a orderly internal atomic structure
these minerals are often water-soluble halides
cations are _________ charged because they have blank _____ electrons positively, lost
this gem mineral is an oxide of aluminum ruby
this mineral is the same as ordinary rust and is the principle ore of iron hematite
these minerals are among the leading contributors to acid rain sulfides
why is pyrite not the major ore of iron there are other ores that are better sources of iron
the property that causes salt to come out of salt shakers as tiny cubes cleavage
which is not a pyhllosilicate pyroxene
you can identify minerals by seeing if they scratch glass : True or False true
most minerals belong to the following groups sulfides,oxides
minerals are solids processing an orderly internal arrangement of atoms meaning that they are crystalline
the silicon atom has a positive charge of 4, and oxygen has a negative charge of 2. The ion group (SiO4) has a: negative charge of 4
calcite and dolomite are carbonate minerals
hardness refers to resistance to scratch
the property that makes gold panning possible density
dense, metallic in luster, often have cubic crystals sulfides
have good cleavage and fizz in acid carbonates
light in color and weight, good cleavage, and often water-soluble halides
mica sheet silicates
quartz can scratch glass
calcite dissolves in acid
oceans cover approximately how much of the earth 70
the continents cover approximately how much of the earth 30
energy that drives ocean currents wind
the carioles effect is caused by earths rotation
the daily tidal wave is least during the _____ tide neap
essay question: list 5 things that cause continental drift gps, puzzle pieces, mountains, ring of fire, fossils
Created by: chewil08.14