Explain why there are two elements in the first period of the periodic table (hydrogen and helium) and eight elements in the second period.
Question
Solution 1
The periodic table is organized based on the electron configuration of atoms. The first period of the periodic table contains two elements, hydrogen and helium, because the first electron shell of an atom can hold up to two electrons.
Here are the steps to understand this:
- The first shell of a Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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