Science, asked by sonababbar123, 6 months ago

complete the sentence in mandeleev periodic table vertical columns are called __and horizontal rows as

Answers

Answered by ra9632317

3

Answer:

(1) groups ,(2) periods

Answered by shinningstar82

0

Answer:

In the Mendeleev periodic table, the vertical columns are called groups, and the horizontal rows are called periods.

Explanation:

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