elements presentation. - oxygen the most abundant element on earth it makes up 21% of the earth’s...
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ELEMENTS PRESENTATION
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- Oxygen
the most abundant element on earth
It makes up 21% of the earth’s atmosphere
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- Nitrogen
a gaseous non metalmakes up 78% of our atmosphere
its compounds are important components of proteins,
fertilizers, and many explosives
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Fertilizers are very important for agriculture
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Hydrogenlightest and most abundant
element.The fuel of the universe.
Found in numerous compounds.
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THE SUN
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Carboncomponents of all living matter and fossil fuels.The black material on a
charred candle wick.
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Phosphorouswidely distributed nonmetal.
Never found in its free, element state.
It is an essential component in all cells.
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DNA
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Irona magnetic and metallic
element makes out door stair railing
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1.Potassiumhighly reactive metal
with low density.One of three elements in
fertilizer.
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fertilizers
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Lithiumhighly reactive metal.
Used in the manufacture of synthetic rubber and
drugs.Used to treat certain types
of mental illness.
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Sodiumhighly reactive metal
compounds include table salt, lye and baking soda
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LeadSoft, dense metal
used in bullets and car batteries
concern over its biological effects
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Car Battery
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1.Tina metallic element
a corrosion-resistant coating on the inside of cans and for packaging
of foods
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- Antimonyit’s symbol comes from a
Latin nameit is used with lead in car
batteries
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Cesiummost chemically reactive
metal used in some photoelectric
cells and atomic clockshelps make stainless steel
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Solar panels
and
Stainless steel sinks
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1.Magnesiuma silver-white metal.
Used in the transportation industry because it is strong and
has a low density.Used in photo flash and
fireworks because it ignites very readily.
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Bariuma reactive, metallic element. Its compounds are used as
a medical “cocktail” to outline the stomach and
intestines for X-ray examination.
It’s compounds give green colors to fireworks.
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- Chlorinehighly reactive
used as bleach, as a disinfectant (water
purification), and as a poison gas
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Heliumunreactive, gaseous element
that is a product of the nuclear reaction (fusion) of hydrogen
atoms.The second most abundant
element in the universe.It is used in Blimps
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Manganesea metallic element
it is added to steel to increase its strength.
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- Golda yellow non reactive metal highly valued since ancient
times
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Argonodorless, colorless
unreactive gasused in most incandescent
light bulbs
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Zincmetallic element
serves as a negative pole in a flashlight battery
melted with copper it becomes brass
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Kryptonunreactive gas.
Element that could weaken Superman.
In radio active form it is a byproduct of most nuclear
weapons.
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Tungstenhighest melting point of any
pure element.
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Chromium helps make stainless steel
if combined with nickel makes nichrome wire which
is used in toasters
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Bismutha relatively low melting
pointused in fire extinguishers
and electrical fuses
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Coppera reddish, lustrous, ductile, malleable metal, occurs in
nature in both free and combined states
it forms the body of the statue of liberty
makes pennies
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Nickel one of the three magnetic
elementsused in five cent pieces
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Fluorine a highly reactive, gaseous
non metaladded to tooth pastes and
to many urban water supplies
helps to prevent tooth decay
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Calcium a reactive metal
makes up limestone, chalk, cement, bones and teeth in
animalsmilk is a good source of this
element
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- Cadmium a metallic element
used in control rods in nuclear plants and in NiCad
rechargeable batteries
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- Brominea red highly reactive fuming
liquid with a foul smell limited use as a disinfectant
it’s compound is a component of leaded
gasoline
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Iodine a solid purple-black non
metalserves as a skin disinfectant
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Boron used in certain glasses
(Pyrex)used in soaps and drill bits and control rods in nuclear
power plants
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Aluminum the most abundant metal in
the earth’s crustused in cars, boats and
airplanes has low density
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Potassiumhighly reactive metal with
low density.One of three elements in
fertilizer.
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Uranium a silver white radioactive
metalused as fuel in nuclear
power plants, and in some atomic war heads
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Neon an unreactive gaseous
elementused in advertising signs
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Mercurynicknamed quicksilver.
only metal that is liquid at room temperature.
Used in thermometers, because it expands to heat.
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Sulfurused in the tips of matches
and in gun powder Its presence to coal leads to acid rain if it is not removed
before the coal is burned
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Cobalt a hard magnetic metal
used in the production of steel
used in cancer treatment
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SilverThis is the best conductor for
heat and electricityIt was used in manufacturing coins but soon it became too
expensiveIt is now used in eating utensils
and decorative objects
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- SiliconThe second most abundant
element on the earth’s crust it is the principle component
of sand and quartz found in solar cells, computer chips, caulking materials, and
abrasives
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Berylliumreactive metal with high
melting point.Used in manufacturing
rocket nose, because it is strong and has a low
density
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Platinum an expensive silver white
metal used in jewelry used to speed up chemical
reactions