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Chemistry, 03.11.2019 17:31 skoroneos551

An isotope of an element, atomic number z, has a mass number 2z+4. how many neutrons are there in the nucleus of the element?
*multiple choice*
a) z+4
b) z+2
c) z
d) 4

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An isotope of an element, atomic number z, has a mass number 2z+4. how many neutrons are there in th...

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