Question

According to modern periodic law the elements with similar chemical and physical properties repeat at regular intervals when the elements are arranged in order of : (1) decreasing atomic number. (3) increasing atomic number.
(2) increasing atomic weight. (4) decreasing atomic weight.​

Answer 1

the correct answer is "increasing atomic number"

Hope that helps.....goodnight buddy

Answer 2

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Question 》》According to modern periodic law the elements with similar chemical and physical properties repeat at regular intervals when the elements are arranged in order of : (1) decreasing atomic number. (3) increasing atomic number.✔✔

(2) increasing atomic weight.

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your correct option is (3) increasing atomic number.☺☺

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