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Chem.mix

Chemistry

QuestionAnswer
# of carbon atoms in meth- prefix 1
# of carbon atoms in eth- prefix 2
# of carbon atoms in pro- prefix 3
# of carbon atoms in but- prefix 4
penta- 5
hexa- 6
hepta- 7
octa- 8
nona- 9
deca- 10
undeca- 11
dodeca- 12
methene CH2
ethene C2H4
propene C3H6
butene C4H8
heptene C7H14
nonene C9H18
benzene* C6H6 6 Carbon atoms in a ring with a Hydrogen atom attached to each carbon
dodecene C12H24
methane CH4
ethane C2H6
propane C3H8
butane C4H10
pentane C5H12
octane C8H18
undecane C11H24
tridecane C13H28
hexyne C6H10
ethyne C2H2
propyne C3H4
butyne C4H6
pentyne C5H8
hexyne C6H10
heptyne C7H12
nonyne C9H16
ethyl alcohol or ethanol C2H5OH (pure grain alcohol)
discovered the electron JJ Thomson
discovered the neutron James Chadwick
determined positive nucleus Ernest Rutherford
Raisins in plum pudding model of atom J.J. Thomson
His atomic theory is the basis for the modern atomic theory John Dalton
Eureka! Buoyancy! Archimedes
atomic number represents # of protons
mass NUMBER is total of protons and neutrons (nucleus)
atomic mass Average mass based on abundance of the naturally-occurring isotopes of an element
amu atomic mass unit
protium hydrogen atom with 1 proton only (most common)mass # is 1
deuterium isotope of hydrogen with 1 proton and 1 neutron for a mass # of 2
heavy hydrogen deuterium
tritium radioactive isotope of hydrogen atom with 1 proton and 2 neutrons for mass # of 3
heavy heavy hydrogen tritium
the element is determined by this # of protons (atomic number)
Vertical columns on the periodic table of the elements Groups or Families
Horizontal rows on the periodic table Periods
Group 1 Alkali Metals
Group 2 Alkaline Earth Metals
Groups 3 through 12 Transition Metals
Metals Good conductors of heat and electricity; malleable; ductile; have luster; solids at room temp.; found to the left of the stair step of the table
Nonmetals Poor conductors; brittle; dull; gases at room temp.; right of the stair step
Semimetals/Metalloids Characteristics of both metals and nonmetals
Only metal.. liquid at room temp. Mercury, Hg
C# times 2 'enes'
C# times 2, plus 2 'anes'
C# times 2, minus 2 'ynes'
Created by: gkarlish