Lead — Science Learning Hub

Lead — Science Learning Hub

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Lead is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is Pb, and its atomic number is 82, which means that a lead atom has 82 protons in its nucleus. Lead has the highest atomic number of any stable (non-radioactive) element. It is a dense, heavy metal – yet it is soft and can be shaped and stretched without breaking.

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Lead — Science Learning Hub