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Britney394
Britney394 Britney394
  • 20-08-2015
  • Chemistry
Answered

How many neutrons does europium -151 have? What's is the isotopes mass number?

Verified Answer :

taskmasters
taskmasters taskmasters
  • 28-08-2015

Europium or has the symbol of Eu contains 89 neutrons on
it. And its Isotopes mass number is 150.9198502. According to research the
naturally occurring Eu is consist of 2 isotopes. Eu 151 is considered as one of
the most abundant in nature. Europium -155 is said to have a half-life of 4.76years.
It produces 252 KeV decay energy.



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