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Chemistry · L2 · The Rules for Chemical Symbols

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One-letter and two-letter symbols follow a strict capitalization rule.

by @openstemUpdated Chemistry
Chemical SymbolOne letter: H, O, C, NTwo letters: Na, Cl, Fe, CuAlways a CAPITAL letterFirst letter CAPITAL, second lowercaseCo = cobalt, one atomCO = carbon + oxygen, two atoms

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