Chemistry, 10.11.2020 14:00 pr4ever

Os This question is about elements from these families alkali metals, alkaline earth metals (Group II), transition denents, halogens, noble gases
*) is a soft, silvery metal that reacts violendy with water
b) is a gas at room temperature. It reacts violendy with other elements, without heating
c) is an unreactive was that sinks in air

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