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  • 19-11-2020
  • Chemistry
contestada

What period and group (number and name) is Selenium in?

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Sans253
Sans253 Sans253
  • 19-11-2020

Answer:

Group 16  Melting point 220.8°C, 429.4°F, 494 K

Period 4  Boiling point 685°C, 1265°F, 958 K

Explanation:

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