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| 1. |
What is meant a group and a period in a periodic table |
| Answer» A group is a family of elements each having the samee valence electrons and thus, having the same chemical properties eg alkali metals it is vertical arranged in the periodic table.While a period contains elements with the same principal quantum number example oxygen and nitrogen or with the same number of valence shells arranged horizontally in the periodic table. Hope it was helpful. | |