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30 Cards in this Set

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element classification that conducts electricity, has a metallic luster, and is malleable
metal
element classification that does not conduct electricity and is neither malleable nor ductile
nonmetal
element classification that has the appearance and some physical properties of metal but behaves chemically like a nonmetal
metalloid
atoms w/ the same atomic number but w/ different mass #s
isotope
device used for determining the mass of a given type of atom
mass spectrometer
charge of electrons
negative (e-)
charge of neutrons
neutral
charge of protons
positive p
what are the three parts of atoms?
1) subatomic particles
2) nucleus (protons and neutrons)
3) electrons (surrounding nucleus)
positively charged ion
cation
negatively charged ion
anion
expected charge of elements in groups 1 & 2
catoins, equal to group number
expected charge of elements in groups 12 & 13
cations w/ charge equal to group # minus 10
expected charge of elements to the right side of table
anion, group # minus 18
ions that consist of more than one atom bonded together and have an overall positive or negative charge
polyatomic
polyatomic anions that contain oxygen (the most common polyatomic anions)
oxoanions
a group of ions w/ a composition given by the formula of an ionic compound
formula unit
characteristic that can be observed or measured w/o changing the identity of the substance
physical property
ability of a substance to change into another substance
chemical property
liquid gas or solid
state of matter/ physical state
common physical properties
melting pt
boiling pt
vapor pressure
color
state of matter
density
electrical conductivity
solubility
adsorption to a surface
hardness
common chemical properties
reaction w/ acids
" " bases(alkalis)
" " oxygen
ability to act as oxidizing agent
" " reducing " "
reaction w/ other elements
decomposition into simpler substances
corrosion
differences between mixtures and compounds
mixture: components can be separated using physical techniques
compound:^can't
m: composition is variable
c: c^is fixed
m:properties are related to those of its components
c: ^unrelated
technique of separating mixtures that makes use of differences in solubility
filtration
technique of separating mixtures that makes use of different boiling points
distillation
one of the most sensitive techniques for separating and identifying components of a mixture that relies on the different abilities of substances to adsorb to surfaces
chromatography
1 milliLiter equals
1 cubic centimeter
properties that depend on the size of the sample, like mass and volume
extensive
a property that is independent of the size of the sample
intensive property
units are multiplied and divided like numbers, _________ _______ are built up from base units
derived units