mrsdeppofficial mrsdeppofficial

15-09-2021
Chemistry

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How did Mendeleev know that there must be undiscovered elements and how did
he take this into account when he designed his periodic table?

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borjateriann borjateriann

15-09-2021

Answer:

Mendeleev left gaps in his table to place elements not known at the time. By looking at the chemical properties and physical properties of the elements next to a gap, he could also predict the properties of these undiscovered elements.

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