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Iron
Element
13
Chemistry
11th Grade
11/21/2010

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Cards

Term
What is Iron's Atomic Number?
Definition
26
Term
What is the Atomic Mass of Iron?
Definition
55.845
Term
The Melting Point of Iron is
Definition
1811 K which is 1538 degrees Celsius or 2800 degrees Fahrenheit
Term
The Boiling Point of Iron is
Definition
3134 K which is 2861 degrees Celsius or 5182 degrees Fahrenheit
Term
Iron's density is
Definition
7.874 grams per cubic centimeter
Term
What is Iron at room temperature, and what/where is it on the periodic table?
Definition
Iron is a solid at room temperature, and it is in the 4th period and the 8th group on the periodic table.
Term
How long has iron been being used?
Definition
Archaeological evidence suggests that people have been using iron for at least 5000 years.
Term
Why is Iron used?
Definition
Iron is the cheapest and one of the most abundant of all metals, and it comprises nearly 5.6% of the earth's crust.
Term
What is Iron used for?
Definition
Iron is used to make Steel. Steel is an alloy of Iron and Carbon. Steel is used to make paper clips, skyscrapers, and everything in between. It also helps keep plants, animals, and humans. It creates chlorophyll in plants and is essential in the making of hemoglobin, which carries oxygen within red blood cells. Iron sulfate (Iron, Sulfur, and Tetraoxygen O4)is used to treat the blood disease anemia.
Term
How many Isotopes does Iron have?
Definition
there are many known Isotopes of Iron, ranging from Fe-45, and Fe-72, having a Half-life of a mere 150 nanoseconds. Iron only has 3 stable isotopes, Fe-56, Fe-57, and Fe-58.
Term
What is the Electron Configuration of Iron?
Definition
1s22s22p63s23p64s23d6
Term
Why is it called Iron?
Definition
The name comes from the Anglo-Saxon word iron. However, the chemical symbol comes from the Latin word for iron, ferrum.
Term
What is the Ionization Energy of Iron?
Definition
7.902 eV (electron volts)
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