Elements
The 118 kinds of atom, in the order of the periodic table.
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- Metals
- Metalloids
- Nonmetals
- Unknown classification
Element Hydrogen The lightest element, and most of the universe Element Gold The yellow metal that never tarnishes Element Iron The metal that built the modern world, and the core of the planet beneath it Element Nitrogen Four fifths of the air, and in every protein Element Oxygen A fifth of the air, nearly half the crust Element Fluorine The most reactive element, which attacks almost everything Element Neon A noble gas that combines with nothing and glows red Element Sodium The soft metal in salt, sea and every nerve Element Chlorine The yellow-green gas that cleans water and makes salt Element Argon The idle gas, a hundredth of the air Element Potassium The soft metal that nerves and plants cannot do without Element Calcium The metal of bones, shells and limestone Element Copper The first metal worked, and the one that carries electricity Element Magnesium The lightest structural metal, and the heart of chlorophyll Element Aluminium The commonest metal in the crust, once dearer than gold Element Silicon More than a quarter of the crust, and every chip Element Phosphorus The light-bearer, found in urine and needed by every cell Element Sulfur Brimstone: the yellow element of volcanoes and acid Element Helium The inert gas that stays liquid to absolute zero Element Lithium The lightest metal, and the one in batteries Element Beryllium A light, stiff, toxic metal found in emeralds Element Boron The hard metalloid of borax, glass and semiconductors Element Carbon The element of life, coal and diamonds