Chemistry, asked by anwartouqeer453, 8 months ago

Q11. What is modern periodic law? Define 'periods' and 'Groups' of the
modern periodic table.

Answers

Answered by Anonymous

Explanation:

Law of Modern Periodic Table states that properties of elements are the periodic function of their atomic numbers. ... The vertical columns are known as groups and horizontal columns are known as periods; in the modern periodic table. There are 18 groups and 7 periods in the modern periodic table.

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