Question

1. Mark the following statements True (T) or False.
Mendeleev depended only on the atomic mass of elements for his classification.
Only True or False​

Answer 1

Answer is TRUE......

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Answer 2

Answer:

false

Explanation:

because he switched the order of a few elements to keep the groups consistent.

For example, Iodine has a lower relative atomic mass than tellurium. So iodine should be placed before tellurium in Mendeleev's tables. However, iodine has similar chemical properties to chlorine and bromine. To make iodine line up with chlorine and bromine in his table, Mendeleev swapped the positions of iodine and tellurium.

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