In the periodic table, to which period and group, does the non-metallic element
    which exists in liquid state at room temperature belong ?

  • 2nd period - lst group
  • 4th period - 17th group
  • 2nd period - 16th group
  • 5th period - 17th group
In the periodic table, to which period and group, does the non-metallic elementwhich exists in liqui
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