Предмет: Физика, автор: pehenka23

Найдите дефект масс атома бериллия в а е м и в кг
Масса протона 1,00728 а е м , масса нейтрона 1,00866 а е м
Масса ядра атома бериллия 9,00998 а е м

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Автор ответа: livres
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