Chemistry, asked by finaviyadev1010, 1 year ago

In these which are vertical columns called groups and which are horizontal rows called periods?

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Answered by nisha1456

Hi..... ♥✌

Here's your answer... ♦♦♦

Here ♦♦♦♦

⭐ H, Li, Na, k, Rb, Can, Fr are the elements belong to one group.....

⭐ H and He belongs to same period......

♥♥ Hope it helps you ♥♥

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finaviyadev1010: Three semicircle each of diameter 3cm,a circle of diameter 4.5cm and a semicircle of radius 4.5cm are drawn. Find the area of the shaded region.

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