Предмет: Физика, автор: marinka2010akniram

Срочно!Обери хибне твердження. 1.У центрi атома мiстится ядро,навколо якого обертаются електрони -2.порядковий номер хiмiчного елемента в перiодичнiй системi дорiвнюэ заряду ядра його атома 3.атоми рiзних xiмiчних елементiв мають у своïx ядрах однакову кiлькiсть протонiв

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Автор ответа: dkobeckij

Ответ:

3, так как у всех разное кол-во протонов

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