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One of the isotopes of sulfur is represented as sulfur-35 or S-35. What does the number 35 signify?

Donald Ward

in Chemistry

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Jeremy Wood on January 19, 2018

One of the isotopes of sulfur is represented as sulfur-35 S-35. The number 35 represents the mass number of the isotope. The mass number (A), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus.


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