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Transcript
Alkali Metals
Brainiac Alkali Metals Video
1st column on the periodic table (Group 1) not
including hydrogen.
Group Contains: Metals
Other Information:
Electrons in the Outer Shell
Most
Reactive,
So
reactive
(Valence Electrons):
1
that in nature these are only
found combined
with other
Reactivity:
VERY Reactive
elements
Other Shared Properties:
Softness, Color of silver,
Shiny, Low density
Alkaline-Earth Metals
Alkaline Earth Metals Video
2nd column on the periodic table (Group 2)
Group Contains: Metals
Electrons in the Outer Shell
(Valence Electrons):
2
Reactivity: VERY Reactive, but
not as reactive as
alkali metals
Other Shared Properties:
Color of silver, higher
densities than alkali metals
Transition Metals
Transition Metal Video
Columns 3-12 on the periodic table
Lanthanides:
Shiny,
Other Information:
Group
Contains:
Metals
reactive
metals,
some
Lanthanides
andused
to make steel
Actinies:
2 rows
Electrons
in the Outer
Shellat
(Valence
Electrons):
1 or 2
bottom
of
periodic
Actinides: radioactive
table Less
to
keep
table
(unstable)
Elements
after
Reactivity:
reactive
than
from being
toooccur
wide.
plutonium
do
not
in
alkaline-earth
nature
in similar
a lab)
Each(created
row has
metals
properties
Other Shared
Properties:
Shininess, good conductors of thermal energy & electric
current; higher densities & melting points than
elements in groups 1 and 2
Boron Family
Boron Family Video
13th column on the periodic table (Group 13)
Other Information:
Metalloid
Group
Contains:
Aluminum
is 1the
most
4
Metals
common & most abundant
Electrons in the Outer Shell
in earth’s crust.
(Valence Electrons): 3
USES: Aircraft parts, auto
parts, siding,
foil, cans
Reactivity:
Reactive
REACTIVE? Thin layer
Other Shared
Properties:
aluminum
oxide
form s on
surface
when temperature
reacts w/
Solids
at room
oxygen. Prevents further
reaction.
Carbon Family
14th column on the periodic table (Group 14)
1 Nonmetal
Information:
GroupOther
Contains:
2 metalloids
Nonmetal: carbon
found
metalsand
uncombined in2nature
Electrons in the Outer Shell
forms wide variety of
(Valence Electrons): 4
compounds.
Metalloids
used
to make
Varies
among
the
Reactivity:
computer
elements chips
in the group
Other
Sharednot
Properties:
Tin useful
very reactive
Solids at room temperature
Nitrogen Family
Boron, Carbon and Nitrogen Family Video
15th column on the periodic table (Group 15)
Group Contains:2 Nonmetals
Other Information:
2 metalloids
Nitrogen makes1 up
80% of
metals
airinwe
Electrons
the breathe
Outer Shell
(Valence
Electrons):
Phosphorous
is extremely
5
reactive. Only found
Varies
among
the
Reactivity:
combined
with
other
elements
in
the group
elements
in
nature
Other Shared Properties:
Solids at room temperature
Except Nitrogen (N) which is a gas
Oxygen Family
Oxygen Family Video
16th column on the periodic table (Group 16)
Group Contains: 3 Nonmetals
1 metalloid
Other Information:
1 metal
Oxygen
20% Shell
of air
Electrons
in theisOuter
SulfurElectrons):
commonly
(Valence
6 found:
Yellow solid in nature &
Reactive
Reactivity:
Used to make
sulfuric acid
Other Shared Properties:
All but oxygen are solid at room
temperature
Halogens Family
Comparing Halogen Family Video
17th column on the periodic table (Group 17)
Information:
Nonmetals
GroupOther
Contains:
Very reactive
Electrons
the Outer
Shellother
Combineinreadily
with
(Valence
atoms, Electrons):
especially7metals to
gain the missing electron
Reactivity: Very Reactive
Halogen + Metal = salt
Chlorine
andProperties:
iodine used as
Other
Shared
Poor Conductors
of electric current, violent reactions with alkali metals to form
disinfectants
salts; never in uncombined form in nature
Similar chemical properties but physical properties among halogens can be very
different
Noble Gases Family
Noble Gases Family Video
18th column on the periodic table (Group 18)
Other Information:
Nonmetals
Group
FullContains:
set of electrons
in the
outer shell
Electrons in the Outer Shell
(Valence Electrons): 8
Under normal conditions,
Except Helium which has 2
Reactivity: unreactive
Unreactive
Other Shared
UsefulProperties:
because of
Colorless,
odorless
gases at
unreactivity:
Lightbulbs,
room temperature
Helium,
Neon Signs
Hydrogen
1st Element in 1st column on the periodic table
Other Information:
Because of properties, it doesn’t fit
with other groups
Electrons in the Outer Shell
1 atoms
(Valence
Electrons):
Located
above
group 1 because
of alkali metals also have only one
electron in outer level
Reactivity:
Reactive
Physical properties like those of
Other Shared
Properties:
nonmetals
Colorless, odorless gases at
Found in Stars
room temperature; low density;
Most abundant
Element
explosive
reactions
with oxygen
Reactive nature makes it useful in
rocket fuel
Periodic Table Elements
Song of the Elements
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