anonymous
  • anonymous
Why is the atomic mass of many elements not a whole number? A. Elements are unstable. B. An element may have isotopes with different numbers of neutrons. C. The atomic mass includes all the electrons. D. Isotopes are always expressed in decimals.
Earth Sciences
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@TheFlash17
anonymous
  • anonymous
@yeebeen8or
anonymous
  • anonymous
im looking right now

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anonymous
  • anonymous
The main reason that the atomic mass of elements is not a whole number is due to the presence of different isotopes - these have the same number of protons in the nucleus but a different number of neutrons - so their masses are different even though chemically they are identical. The two isotopes of Chlorine are 35Cl- (75.77%) and 37Cl (24.23%) giving an overall "average" mass of 35.4527.
anonymous
  • anonymous
I am thinking it would be an element may have isotopes with different numbers of neutrons
anonymous
  • anonymous
so it would be b
anonymous
  • anonymous
yeah
anonymous
  • anonymous
ok so i will fan one of u and then someone fan the other one that i didnt
anonymous
  • anonymous
i mean medal
anonymous
  • anonymous
so in other words it is B
anonymous
  • anonymous
and thx for yalls help i have more i need help with so i will close this and then start a new one

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