Page 44 - Curriculum Visions Dynamic Book

Key facts about...
Iron
Forms the colouring of most rocks
Magnetic
Easily forms alloys with other metals
 The 19th-century wonders of the engineering world were based on iron.
A soft, silver–grey metal, chemical symbol Fe
Essential for plant growth
Rusts easily
Fourth most plentiful element at the surface of the Earth
Has no smell Has no taste
Makes up over 5% of the Earth’s crust
Found most commonly as iron oxide in rocks
SHELL DIAGRAMS
The shell diagrams on this page are representations of an atom
of each element. The total number of electrons are shown in the relevant orbitals, or shells, around the central nucleus.
Electron shell
Electron
Nucleus containing protons and neutrons (called nucleons)
Atomic number 26, atomic weight about 56
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