In the modern periodic table, which one is most correct about a period – InterviewSolution

1.	In the modern periodic table, which one is most correct about a period?
Answer» The FIRST element is an ALKALI metal, and the last element is a HALOGEN. The first element is a noble gas, and the last one is an alkali metal. The first element is an alkali metal, and the last element is a noble gas. Each element is a NONMETAL. Solution :The first element is an alkali metal, and the last element is a noble gas.

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