Chemistry, 24.10.2019 14:43, galaxychild101

Suppose the mass spectrum of a hypothetical monatomic element x contains a signal at mass number 13 and another of identical height at mass number 15.
how many isotopes are present and why
what's the fractional abundance of the isotopes. why?

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Suppose the mass spectrum of a hypothetical monatomic element x contains a signal at mass number 13...