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The Periodic Table Essays and Term Papers
QuizzesIntroduction
The following 100 quizzes are in the format No - Question - Answer and each contains 100 questions for a total of 10000. There are 50 questions per page and the document should print out correctly but I recommend print preview first.
I have been writing quizzes for different ...
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Justify The Knowledge Or It Will be Taught in Vain
If you were to ask a teenager today if he or she would rather study or watch television, what do you think the answer would be? From what I have seen in myself when I was a teenager and in almost everyone that I meet, nobody would rather study. Today's fast food culture has ...
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Magnesiumis one of the alkaline-earth metals of main group IIa in the
periodic table. is a grayish-white metal. Normally is
covered with a layer of oxide, MgO, that protects from air and
water. is an important element for plant and animal life.
Chlorophylls depend greatly on it.Sir Humphrey Davy ...
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Biography Of John DaltonDalton, John was born in Eaglesfield, in 1766 and died today 1844. Dalton was a British chemist and physicist, who developed the atomic theory of matter on which modern physical science was founded.
He began a series of meteorological observations in 1787 and he continued them for 57 years. ...
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Cfcs Cause Deterioration Of The Ozone LayerThe deterioration of the ozone layer , caused by Cfcs, endangers the
lives of humans'. Cfcs have a diminishing effect on the ozone layer.
Furthermore, the deterioration of the ozone cause an increase of Ultraviolet
(UV) radiation which can have a negative effect on human skin and eyes. As ...
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Inherit The WindAnti-Intellectualism in America
“It’s more valuable to see with the eye in one’s heart,
rather than see with the eye in one’s head.”
The epic crusade of science and technology versus theology, both
religions of sorts dating back in time more years than any of us can begin to
comprehend. Maybe ...
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Inherit The WindA Disturbing Movement of
Anti-Intellectualism in America
"It’s more valuable to see with the eye in one’s heart,
rather than see with the eye in one’s head."
The epic crusade of science and technology versus theology, both
religions of sorts dating back in time more years than ...
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Platinum, symbol Pt, is a relatively rare, chemically inert metallic
element that is more expensive than gold. The atomic number of is
78. is one of the transition elements in group 10 of the periodic
table. is the most important of the group of elements called the
metals, also included in this ...
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RubidiumThe 37th Element
is located between potassium and cesium in the first Group
on the Periodic Table. It's atomic number is 37and its atomic mass is
85.4678. In French and German it is , in Italian and Spanish it is
rubidio.
History and General Facts
Rubidium was discovered spectroscopically ...
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The Noble Gasesare the far right elements on the periodic table.
On the earth they are scarce so we donąt see much of them. They are do not
react well with anything. In fact until around the 50ąs they hadnąt found
anything that they would react with any of the gases. But then someone found
out that Fluorine ...
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The Element Carbon And Its ImportanceCarbon is one of the most important chemical elements. Industry
uses it in a wide variety of products, and all living things are based on
carbon. Without carbon, life would be impossible! Yet carbon makes up
less than 0.03 percent of the earth's crust. Pure carbon exists in nature
in the form ...
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Atomic StructureThe concept of the atom has existed since the 5th century BC, but it was not until the beginning of the 19th century that this concept was developed into a scientific theory. Almost as soon as the modern atomic theory was established, it was discovered that atoms were not the basic building blocks ...
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Irene Joliot-curieIrene Curie was a brilliant dedicated scientist who accomplished many things throughout her life but was overshadowed by those around her throughout her life. She was overshadowed by Nobel laureate parents Maire and Pierre Curie, by co-laureate and husband Jean Frederick Joliot, by her physicist ...
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ArsenicPhosphorus (P), (As), antimony (Sb), and bismuth (Bi) form a group of four elements in Group 5A of the periodic table. They exhibit increasing metallic properties going down the group. Nitrogen (N), which heads the group, is a colorless, odorless, and tasteless gas. Phosphorus is a highly ...
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Oxygenis required for the release of energy from food molecules (aerobic respiration). Instead of breaking down food molecules completely, muscle cells switch to a form of partial breakdown that does not require (anaerobic respiration) so that they can continue to generate energy. This partial ...
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Nuclear WeaponsThe question arises, should we begin to manufacture one of the most
destructive and infamous substances on the face of this Earth again? The
engineers of our country say yes, but the public says no. The United
States quit making this element with the ban on manufacturing nuclear
weapons. But ...
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Inherit The Wind 2Anti-Intellectualism in America
“It’s more valuable to see with the eye in one’s heart,
rather than see with the eye in one’s head.”
The epic crusade of science and technology versus theology, both
religions of sorts dating back in time more years than any of us can ...
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The Comparative Abundance Of The Elements- There are 92 naturally occurring elements, only 17 of them make up 99.5% of
the earth's crust (including oceans and atmosphere). - In living things (plants,
animals, people) the six most abundant elements are carbon, hydrogen, oxygen,
nitrogen, phosphorus and sulfur. - The universe is ...
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Helium, symbol He, inert, colorless, odorless gaseous element. In
group 18 (or VIIIa) of the periodic table, is one of the noble gases.
The atomic number of is 2. The French astronomer Pierre Janssen
discovered in the spectrum of the corona of the sun during an
eclipse in 1868.
Helium is the ...
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