Q. 14.1( 16 Votes )
Law of octaves in terms of modern periodic table
i. Law of octaves states that “every eighth element has properties similar to the firsts element”
ii. In modern periodic table, any element of the same period has similar properties.
iii. For example-Mg and Ca exhibits similar properties as they both belong to same group.
Mendleeff periodic table
i. He suggested eight groups for elements in his table.
ii. In modern periodic table, the vertical columns are called groups. There are total 18 groups present.
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Newlands proposalAP - Physics & Chemistry