carmentrochetownsend
carmentrochetownsend carmentrochetownsend
  • 16-09-2019
  • Biology
contestada

PLEASE HELP THIS IS IMPORTANT
Which of the following elements is a noble gas? A. Radon (Rn) B. Nickel (Ni) C. Potassium (K) D. Strontium (Sr)

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unique1429
unique1429 unique1429
  • 16-09-2019
The answer is RADON for sure
Answer Link
giselaroman77
giselaroman77 giselaroman77
  • 17-09-2019
option A is the correct answer
Answer Link

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