Question

Characteristics of Mendeleev Periodic Table ?​

Answer 1

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⚫He was the first scientists to classify the element in a systematic manner i.e.

in horizontal row and vertical columns.

⚫Horizontal rows we're called periods and there were 7 periods in Mendleev Periodic table.

⚫ Vertical columns are called groups and there were 8 groups in Mendleev periodic table.

⚫each group up to VII was divided into

A & B subgroups. 'A' subgroup element were called normal element and 'B' subgroup element were called transition element.

⚫ The VIII group consisted of 9 element in three rows. ( Transition metal group)

⚫The element belonging to same group exhibit similar properties.

⚫63 element were known, noble gases were not discovered.

⚫ It was based on atomic weight.

Answer 2

Heya!

Here is ur answer...

MENDELEEV'S PERIODIC TABLE :

>> Mendeleev's periodic table is also called as SHORT FORM OF PERIODIC TABLE

>> This table was made..basing on the periodic law..

>> The mendeleev's law states that, "The properties of the elements are the periodic function of their atomic weight"

>> Mendeleev's table has 7 periods and 8 groups with subgroups

Hope it helps