150 likes | 650 Views
Iron. By Michael Campos 11/10/10 Tech-5th . What is iron?. Iron is a metallic chemical element which has been utilized by humans for centuries. The metal has played such an important role in human history that an entire era, the iron Age, is named for it. When was it discovered?.
E N D
Iron By Michael Campos 11/10/10 Tech-5th
What is iron? • Iron is a metallic chemical element which has been utilized by humans for centuries. The metal has played such an important role in human history that an entire era, the iron Age, is named for it.
When was it discovered? • Iron was first discovered in South East Asia about 4000 years ago. It was considered more valuable than gold at that time! ...
Atomic number. The Atomic Number for iron is 26
Atomic weight. The atomic weight for iron is 55.845
Period and group number and group name. • Period Number: 4 Group Number: 8 Group Name: none
Iron melting point and boiling point. • The melting point of iron is 1535°C, boiling point is 2750°C
How is iron used? • Iron is vital to plant and animal life. In humans, it appears in the hemoglobin molecule. Iron metal is usually alloyed with other metals and carbon for commercial uses
What color is it? • Iron is silvery-grayish Reddish color.