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How are Elements Arranged on the Periodic Table

January 21, 2023 By Admin Leave a Comment

How are Elements Arranged on the Periodic Table

The German chemist Johann Dobereiner attempted one of the earliest attempts to classify the elements according to their chemical and physical properties. Dobereiner discovered the rule of threes for chemically related elements in 1817. Calcium, strontium, and barium; lithium, sodium, and potassium; chlorine, bromine, and iodine are just a few examples. One element in … [Read more...]

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