Question

how does the Mendeleev periodic table is helpful in preparing the modern periodic table​

Answer 1

Answer:

Mendeleev went even further. He corrected the known atomic masses of some elements and he used the patterns in his table to predict the properties of the elements he thought must exist but had yet to be discovered. He left blank spaces in his chart as placeholders to represent those unknown elements.

Explanation:

Answer 2

MENDELEEV PERIODIC TABLE IS HELPFUL IN PREPARING THE MODERN PERIODIC TABLE AS

1. systematic study of the elements

it was for the first time that the elements were classified into more fundamenta basis atomic mass

2. he proposed the terms of groups and periods which could classify the elements into their properties

3.it was easy to remember and reproduce in both modern and MENDELEEV PERIODIC TABLE

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