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C2.1 - Development of the periodic table

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Total cards: 4•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (4)

#1
Front (Question)

John Dalton’s version of the periodic table

Back (Answer)

• arranged them in order of their atomic weight • published the ‘table of elements’ • his table included compounds

#2
Front (Question)

Johan Dobereiner’s version of the periodic table

Back (Answer)

• law of triads

#3
Front (Question)

John newland’s version of the periodic table

Back (Answer)

• Law of octaves • elements were ordered in order of weight • every 8th element was similar • didn’t take into account the yet to be discovered elements

#4
Front (Question)

Dmitri Mendeleev’s version of the periodic table

Back (Answer)

• ordered in order of atomic weight • arranged so that periodic pattern was clear • left gaps for missing elements + predicted their properties using the table