Development of Periodic Table of Elements (4)

Chemistry

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Development of Periodic Table of Elements (4)

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The theory that was discovered by Dmitri Mendeleev before the Modern Periodic Table of Elements was produced (3)

Mendeleev had left several empty spaces in his periodic table to be filled by elements, yet to be discovered

The theory that was discovered by Dmitri Mendeleev before the Modern Periodic Table of Elements was produced (4)

Mendeleev was successful in predicting the properties of undiscovered elements based on the properties of elements located above and below an element in the table

The theory that was discovered by Henry Moseley before the Modern Periodic Table of Elements was produced (1)

Moseley studied the frequencies of X-ray released by various elements and eventually found a relationship between the X-ray spectrum and proton numbers

The theory that was discovered by Henry Moseley before the Modern Periodic Table of Elements was produced (2)

Moseley proposed that each element ought to have its own proton number

The theory that was discovered by Henry Moseley before the Modern Periodic Table of Elements was produced (3)

Moseley arranged the elements in the Periodic Table of Elements according to their increasing proton numbers

The theory that was discovered by Henry Moseley before the Modern Periodic Table of Elements was produced (4)

Moseley also left empty spaces in his periodic table like Mendeleev & successfully predicted 4 elements, namely technetium, Tc, promethium, Pm, hafnium, Hf and rhenium, Re which were discovered later

The scientists involved in the development of the Periodic Table of Elements - Antoine Lavoisier

The scientists involved in the development of the Periodic Table of Elements - Johann W. Dobereiner

The scientists involved in the development of the Periodic Table of Elements - John Newlands

The scientists involved in the development of the Periodic Table of Elements - Lothar Meyer

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