Question

atomic weight of Neon is 20.2 Neon is a mixture of neon 20 and not 22 relative abundance of heavier isotope is​

Answer 1

Answer: 10%

Explanation: Dear Student

          Ne20 = x

          Ne22 =100-x

20.2   = [ 20(x) +22(100-x)]/100

2020 = 20x+2200-22x

2x      = 2200-2020

2x     =180

   x    =90%

Ne22 = 100-x = 10%

Hope it helps

Answer 2

Hope this will help you

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