Question

Define : 1) Group 2) Period.



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Answer 1

Here,

Group:-

The vertical column of elements in the periodic table of elements is called a group.

Period:-

The horizontal row of the elements in the periodic table of the elements is called a period.

Answer 2

Answer:

Periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table.

Explanation:

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