the normal isotope of helium, 42he, that has two neutrons

listen to the pronunciation of the normal isotope of helium, 42he, that has two neutrons
Английский Язык - Английский Язык
helium-4
the normal isotope of helium, 42he, that has two neutrons

    Расстановка переносов

    the nor·mal i·so·tope of helium, 42he, that has two neutrons

    Произношение

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