Chemistry, asked by bhawanareddy, 1 year ago

'' If elements are arrenged in the increasing order of their atomic masses, after regular intervals, elements having same properties are repeated again and again. as a result elements having same chemical properties fall into the same vertical columns and elements whos properties gradually change fall into the same horizontal rows. the vertical columns are called groups and the horizontal rows are called periods."

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Answers

Answered by abcd5296
1

Answer:

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Answered by upasanaray17
0

Answer:

Explanation:

when elements are arranged in increasing order of their atomic mass, element of same properties show periodicity at regular intervals and thus elements are arranged in vertical columns (groups) and horizontal rows (periods)

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