jboxedyou732 jboxedyou732
  • 19-02-2022
  • Chemistry
contestada

im a nonmetal who is solid at room tempature has 2 letters for my symbol and mass is 79

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natclrk187
natclrk187 natclrk187
  • 20-02-2022

Answer: Selenium (Se)

Explanation:

Selenium is the 34th element on the periodic table and is a reactive nonmetal. It has a molar mass of 78.971g or when rounded 79g. generally room temperature is considered 68 - 72° F or 20 - 22° C and between this range Selenium is a solid.

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