Chemistry, 14.12.2020 06:40, vladisking888

What would the isotope symbol (in hyphen notation) look like for an atom that has a mass number of 204 and an atomic number of 82? O a
Lead-82
ob
Thallium-204
Ос
Lead-204
Thallium-82
Od
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What would the isotope symbol (in hyphen notation) look like for an atom that has a mass number of 2...