Iron Fe Atomic # Atomic Symbol Atomic Mass # of protons # of electrons 26 55.847 Iron Fe Atomic # Atomic Symbol Atomic Mass # of protons # of electrons # of neutrons State of matter at Room Temp Atomic Group 26 Fe 55.847 = 56 56– 26 = 30 Solid Transition Metal

Iron

Iron Fe Iron has been known since ancient times. 26 55.847 Fe Iron has been known since ancient times. The first iron used by humans is likely to have come from meteorites.

Iron Iron 26 55.847 Fe One third of Earth’s mass is believed to be iron, most of which lies deep within the planet, in the core. There is enough iron on Earth to make three new planets, each with the same mass as Mars.

Iron Iron 26 55.847 Fe The iron age began about 1300-1200 BC when iron became cheap enough to replace bronze. Iron was used commonly in Roman times.

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