All alkaline earth metals have similar properties because they all have two what?

All alkaline earth metals have similar properties because they all have two what?

• Correct Answer: valence electrons
• caesium electrons
• balanced electrons
• transitions electrons

Explanation: All alkaline Earth metals have similar properties because they all have two valence electrons. They readily give up their two valence electrons to achieve a full outer energy level, which is the most stable arrangement of electrons. As a result, they are very reactive, although not quite as reactive as the alkali metals in group 1. For example, alkaline Earth metals will react with cold water, but not explosively as alkali metals do. Because of their reactivity, alkaline Earth metals never exist as pure substances in nature. Instead, they are always found combined with other elements.

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