periodic table first 20 elements

The atoms of the first 20 elements in the periodic table

In the Periodic Table, the elements are arranged in order of increasing proton number. Here is a quick list of the names of the first 20 elements in the periodic table: hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon, sodium, magnesium, aluminium, silicon, phosphorus, sulphur, chlorine, argon, potassium, & calcium. In this post, […]

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