dp10a8thuytram dp10a8thuytram
  • 29-09-2021
  • Chemistry
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trong tự nhiên nguyên tố x có 3 đồng vị đồng vị 1 có 8 nơtron chiếm 99,757% đồng vị 2 có 9 nơtron chiếm 0,039% biết nguyên tử khối trung bình của x là 16,00447 tìm số khối các đồng vị của x

Respuesta :

deleon136581150028
deleon136581150028 deleon136581150028
  • 10-10-2021

Answer:

[tex]1 \times 8 \times 99.757 \times 2 - 9 \times 16.00447 = n[/tex]

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