 |
 Arsenic
(As) is a
semi-metallic element that has been known since
ancient times. It as been used as a poison for
hundreds of years, due to its extreme toxicity to
insects, bacteria and fungi. |
 Bismuth
(Bi) has the highest
resistance to being magnetized of all metals, has
a high electrical resistance, and is second only
to mercury in low thermal conductivity. One
bismuth compound is well known for having the
ability to calm upset stomachs and stop diarrhea |
 Calcium
(Ca) is the fifth most abundant
element on Earth. It is used in a variety of
industrial processes, and is essential to all
living things. |
 Carbon
(C) is found in the form of
diamonds, graphite, charcoal, and coke. It is
used in an almost endless variety of products --
nylon, gasoline, perfume, plastics, shoe polish,
TNT, etc. |
 Copper
(Cu) is one of the best conductors
of electricity and heat, is highly malleable and
ductile, and is very resistant to corrosion,
making it an ideal metal for a variety of
products. |
 Helium
(He) is one of the most abundant
elements in the universe, and is one of the two
principal elements found in our Sun. On Earth it
is used in rockets, welding, and balloons. |
 Iron (Fe) is
the fourth most abundant element on Earth. All
plants, animals, and human beings need iron to
help them live. In humans, iron allows the blood
to carry oxygen. |
 Mercury
(Hg) is the only metal that is
liquid at room temperature. It is used in
thermometers and barometers, in electric switches
and relays, and in a variety of alloys. |
 Neon (Ne)
makes up about 18 parts per million in the
Earth's atmosphere. It is most commonly used in
lighting. |
 Nickel
(Ni) is a metal that is most
commonly used in alloys. It makes iron more
ductile and steel more resistant to impact,
making it ideal for use in armor plate, machine
parts, and nickels. |
 Silicon
(Si) is the second most abundant
element in the Earth's crust, after oxygen. It is
a principal ingredient in glass and many
electronic components. |
 Silver
(Ag) can be hammered into sheets as
thin as 100,000th of an inch thick and drawn into
wires finer than human hair, but is too soft to
stand up under constant wear. |
 Sulfur
(S) is one of the elements that are
essential to plants and animals. In animals is
helps the blood to clot and the muscle cells to
change food into energy and new tissue. |
 Uranium
(U) is a radioactive element that is
most commonly used as a fuel for nuclear
reactors, as well as to make nuclear weapons. |
