Question

Write the salient features
Mendeleeff's periodic tables?
PLZ SAY FAST URGENT ​

Answer 1

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Characteristics of Mendeleev's periodic table:

• In Mendeleev periodic table, vertical columns in the periodic table and horizontal row in the periodic table were named as groups and period respectively.

• The periodic table is composed of seven horizontal rows or periods and is numbered between 1 and 7.

• There is a regular gradation in the properties of elements in the horizontal rows(periods) from left to right.

• The periodic table is composed of eight vertical columns or groups. They are numbered between 1 to 8.

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