Question

5. State modern pe5. State modern periodic lawriodic law

Answer 1

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⭕ In Modern periodic law, elements are arranged in increasing order of Atomic number.

⭕ It states that the properties of elements are the periodic function of their atomic number.

⭕ The horizontal rows are called periods and vertical columns are called groups.

⭕ It consists of 7 periods and 18 groups.

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$\huge\mathfrak{Thank you :)}$