Isotopes were discovered long after Mendeleev had proposed his periodic table.

True

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False

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Solution

The correct option is A True

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Similar questions

Q. Mendeleev placed isotopes in his periodic table.

Besides gallium, which other elements have since been discovered that were left by Mendeleev in his Periodic Table? (any two)

Q. How did Mendeleev predict the existence of some elements yet to be discovered elements in his periodic table?

The three elements predicted by Mendeleev from the gaps in his periodic table were known as eka-boron, eka-aluminium and eka-silicon. What names were given to these elements when they were discovered later on?

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