33455miyahbusby 33455miyahbusby
  • 08-07-2020
  • Biology
contestada

Which of these elements is a noble gas? A. hydrogen (H) B. barium (Ba) C. nitrogen (N) D. krypton (Kr) E. bromine (B

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mosfara5478
mosfara5478 mosfara5478
  • 08-07-2020

Answer:

the answer is krypton

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