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Grouping the Elements

Describes some of the physical and chemical properties of the 18 groups in the periodic table.
by

Paula Borstel

on 14 December 2012

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Transcript of Grouping the Elements

Alkali Metals 18 Here we go...
How many groups? Alkaline-Earth
Metals Group 1 Group 2 Groups 3-12 Group 13 Group 15 Group 16 Group 14 Group 17 Group 18 Transition Metals Boron Group Carbon Group Nitrogen Group Oxygen Group Halogen Group Noble Gases http://gcserevision101.wordpress.com/chemistry-c3/ www.physchem.co.za/Data/Periodic%20Table.htm www.chemistryexplained.com/ Periodic Table of Elements Far left Silver
Metals Shiny Soft
Very Reactive
Low Density
Solids at Room Temp. 1 Valence Electron 2 Valence Electrons Valence Electrons?
It depends....
usually 1, 2, or 3 Ve- 3 Valence Electrons 4 Valence Electrons 5 Valence Electrons 6 Valence Electrons 7 Valence Electrons 8 Valence Electrons
Full Shell Left side, 2nd column
Metals Silver
Reactive, but less than A.M.
Higher density than A.M.
Solids at Room Temp. Middle of Table
Metals Shiny
Less reactive than A-E Metals
Good conductors
Higher melting points than Group 1 & 2
Solids at Room Temperature Except Mercury 1 metalloid and 5 metals
Reactive
Solid at room temp 1 nonmetal, 2 metalloids, 3 metals
Solids at Room Temp. 2 nonmetals, 2 metalloids, 2 metals
reactivity varies
Solid at Room Temp Except Nitrogen 3 nonmetals, 1 metalloid, 1 metal
Reactive
Solids at room Temp Except Oxygen Nonmetals
right side
most reactive nonmetals
Never found uncombined in nature
React violently with alkali metals
2 gases, 1 liquid, 2 solids at RT Nonmetals
Far right side
Unreactive (inert)
colorless, odorless gases at Room temp. Lanthanides Actinides includes Rare earth metals www.physchem.co.za/Data/Periodic%20Table.htm www.physchem.co.za/Data/Periodic%20Table.htm www.physchem.co.za/Data/Periodic%20Table.htm H ydrogen 1 Valence electron Very Reactive Colorless, odorless gas at room temperature
Explosive reactions with oxygen
VERY low density Most abundant element in the UNIVERSE And finally And that's the..... .
H . . . . . .
Li Na K Rb Cs Fr . . . . . .
Be . Mg . Ca . Sr . Ba . Ra . . . . . . . . . . .
. B . . Al . . Ga . . In . . Tl . . . . . .
: C . : Si . : Ge . : Sn . : Pb . . . . . .
: N : : P : : As : : Sb : : Bi :
. . . . . . . . . .
: O : : S : : Se : : Te : : Po : . . . . .
: F : : Cl : : Br : : I : : At : :


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: . . . . . . . . . . .
He . : Ne : : Ar : : Kr : : Xe : : Rn : :


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: Except Helium
Full transcript