Предмет: Химия, автор: antonovaalbina09

3.У кожній трійці речовин знайдіть речовину, яка відрізняється від інших:
A)Na, S, K;
Б) N2, H2O, H2;
B) Na2O, NaOH, O2 .
Очень нужно, помогите.

Приложения:

Ответы

Автор ответа: MasterBivin
2

а) Na и K щелочные металлы; S- неметалл.

б) N2 и H2 простые вещества, газы; H2O - сложное вещество, жидкость.

в) Na2O и NaOH сложные вещества, O2 просто вещество.

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