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Yuliya22 [10]
3 years ago
10

What is the mass number of an isotope

Chemistry
2 answers:
makkiz [27]3 years ago
8 0
<span>The mass number given on the periodic table is a weighted average of all the isotopes. You get the exact mass of an isotope by adding the protons(atomic number) to the number of neutrons in that isotope.</span>
jarptica [38.1K]3 years ago
5 0
<span>The number of nucleons in the nucleus is the atom's <span>mass number, that being said, each isotope of a given element has a different <span>mass number. so there isn't one single mass number for an isotope.</span></span></span>
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On a lab exam, you have to find the concentrations of the monoprotic (one proton per molecule) acids HA and HB. You are given 43
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