Difference between revisions of "Nickel"
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==Nickel (US coin)== | ==Nickel (US coin)== | ||
| − | A nickel is a [[coin]] worth five [[cents]]. It is made of [[cupronickel]]. The nickel currently features [[Thomas Jefferson]] on the obverse side, and [[Monticello]] on the reverse. | + | A nickel is a [[coin]] worth five [[cents]]. It is currently made of [[cupronickel]]. During [[World War II]], nickel was needed for the war effort, and the composition was made up of [[copper]], [[silver]], and [[manganese]]. The nickel currently features [[Thomas Jefferson]] on the obverse side, and [[Monticello]] on the reverse. |
==References== | ==References== | ||
Revision as of 20:03, December 10, 2007
| Nickel | |
|---|---|
| Properties | |
| Atomic symbol | Ni |
| Atomic number | 28 |
| Classification | Transition metal |
| Atomic mass | 58.7 amu |
| Other Information | |
| Date of discovery | 1751 |
| Name of discoverer | Alex Cronstedt |
| Name origin | From the German word kupfernickel (false copper) |
| Uses | Electroplating metal alloys, nickel-cadmium batteries |
| Obtained from | Pentlandite |
Nickel (the element)
Nickel is the chemical element with atomic number 28 and symbol Ni. In the periodic table it is one of the transition metals. It is a silvery white metal and is often used for its resistance to oxidation and conductivity of heat and electricity.[1]
Nickel is often found in coins, wires, meteorites, and steel alloys.
Nickel (US coin)
A nickel is a coin worth five cents. It is currently made of cupronickel. During World War II, nickel was needed for the war effort, and the composition was made up of copper, silver, and manganese. The nickel currently features Thomas Jefferson on the obverse side, and Monticello on the reverse.