What is common about the elements of a period? Select all that apply. They have the same number of electron energy levels. They have similar chemical characteristics. They have similar physical characteristics. They transition from a metal to noble gas.

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Chemistry

Kristin Massey

5 August, 06:48

What is common about the elements of a period? Select all that apply. They have the same number of electron energy levels. They have similar chemical characteristics. They have similar physical characteristics. They transition from a metal to noble gas.

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Bruce Avila · Answer 1

A period is the horizontal row of elements in the periodic table and they are numbered from one to seven. In the same period, atomic number increases from left to right. Elements in the same period have the same number of electron energy levels and they transition from a metal to noble gas.