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ch 1`9

QuestionAnswer
heated and electricity , reflect light well metals
can be hammerd or rolled into sheets melleable
can be drawn into wire ductile
it conbines with nonmetals to lose electrons Ionic bonds
positively chraged metallic ions are surrounded by a cloud of electrons metallic bonding
metals softer and more reactive than other metals Alkali metals
human boddy _ in bones calcium
radium fromerly used to treat cancer Uranium
they often occur in nature as uncombined elements Transition elements
typically form colord found in rubies and emeralds Chromium
most widely used of all metals and main ingridient, second most widely use Iron
frist most widely used of all metals Aluminum
used to coat other metals Nickel
copper, silver, gold _ metals since once were used in coins Coinage
Used electric wiring because it is a superior electricity conductor Copper
Used in photographic film and paper; jewelry silver
zinc,cadmium mercury group_ on periodict table 12
metals seem disconnected from the rest of the periodict tables Inner transition metals
the- in cludes Lathanum, cerium, praseody mium, amarium, europium, Gadolinium, and terbium Lanthanide
the_ all are radioactive and unstable, the Actinides
is the best known actinides Uranium
ionic and covalent bonds, have some metallic and some non metallic properties metalloids
named for the frist element in group 13 boron
found in coal, oil, natural gas, and foods Carbon
same element with different melecular structures allotrope
found in sand, rock , and oil, also used in semiconductors silicon
conduct elecicity under certain conditions semiconductors
electrically charged atoms Ions
have 1, 2 or 3 valance electrons lose e- metals
tend to have 5, 6, or 7 valence electrons, gain e- nonmetals
electro estatic force between oppositevely Charged Ions Ionic Band
hold things together metallic properties
Extremely reactive because loses 1 electron Alkali Metals
second most abondat metal iron
most abondant in earth Aluminum
most reactive halogen
most radioactive element Fluorine
allotrope different molecular structures of the same elments
metals_heat and electricity conduct
can be drawn into wire. ductile
found in plant Chlorophy Carbon
Faund in statues and countertops Calcium
Force of attraction between oppositely charged ions. Ionic Bond
are the iron triad Iron, Nickel, Cobalt
Are the coinage metals gold, silver, copper
Superior electrical conductivity Copper
used in photographic film Silver
only metal liquid at room temperature ides
group that are all radioactive, uranium, is the best known actinudes
makes up 65% of the human body Hydrogen
2 atoms of the element bonded covalently diaton molecules
rolled into sheets malleable
tend to have 5,7, or 7 valance e- form negative ions nonmetals
Greek word meaning water former Hydrogen
greek word meaning salt former halogen
most reactive nonmetal flourine
disinfectant and bleach Chlorine
hormone regulation Idime
most aboundant metal in earth crust Aluminum
same elmennt with different molecules Structure Allotropes
toxic, no longer usd in paint lead
Elements with more than 92 protons Transuranium
Substance that conducts electricity under certain conditions semicunductor
not naturally occurring synthetic
state of all elments in group 18 gas
gases with full outer energy levels noble
Created by: alsanchez
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