Q36 of 181 Page 304

From the standpoint of atomic structure, what determines which element will be the first and which the last in a period of the periodic table?

which element will be the first and which will be the last is decided by checking the valence electron in its last shell.


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What is a group in the periodic table ? In which part of a group would you separately expect the elements to have (i) the greatest metallic character (ii) the largest atomic size?

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