Iron is something everyone needs to live. Iron is used in things like steel, cast iron, and stainless steel. Iron even carries oxygen in your red blood cells.
Atomic Number: 26
Atomic Mass: 55.845
Protons and Electrons: 26
Number of energy levels: 4
First Energy Level: 2
Second Energy Level: 8
Third Energy Level: 14
Fourth energy level: 2
How Iron was founded
Because iron is so hard to make, nobody used iron before about 1500 BC. Then the Hittites in West Asia did learn how to use it. They then quickly saw that iron weapons were better than bronze ones, and so they decided not to tell anybody else how to make iron. The Hittites kept the secret of making iron for about 400 years, until about 1100 BC, but when the Dark Ages came to West Asia, the Hittite empire fell apart anyway, and the secret of making iron got out to other people.
Iron + Hydrochloric acid
Iron reacting with Hydrocholoric acid
FeSO4+ 2 OH→ Fe(OH)2+ SO4
Mole ratio 1:2
Iron reacting with sulfur.
Fe + S → FeS
Mole ratio 2:3
Metals rust when when iron and oxygen are in the presence of water or moisture in the air.
Mole ratio is 3:4
- they form colored compounds.
- they are good conductors of heat and electricity.
- they can be hammered or bent into shape.
- they are less reactive than alkali metals such as sodium.
- they have high melting points.
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