Предмет: Химия, автор: anilaaveakidzh

укажите номер,заряд ядра и рассчитайте сколько протонов и нейтронов нахлдиться в атомах: кальция( изотоп массой40) ,кислорода( изотоп массой 16)

Ответы

Автор ответа: Platinum15

Са
номер 20, заряд ядра +20, р=20 n=40-20=20 e=20

O
номер 8, заряд ядра +8, р=8 n=16-8 =8, е =8

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