Concept explainers
Interpretation: To write a balanced chemical equation of an alkaline earth metal with oxygen.
Concept introduction: Alkaline earth metals belongs to group
Alkaline earth metals are very reactive and form compounds with chlorides, oxides and water. Alkaline earth metals combine with non-metals and there is a transfer of electrons from metals to non-metals and thus ions are formed where metals have a positive charge and non-metals are negatively charged. Thus, alkaline earth metals generally form ionic compounds and react vigorously to produce compounds with non-metals.
The reaction of alkaline earth metals with non-metals produces energy which is released in the form of heat or light. Such reactions, in which energy is released in the form of heat and light are referred to as exothermic reactions. The reaction in which energy is absorbed from the surroundings are known as endothermic reactions.
In general, combination reaction are always exothermic in nature. Thus, exothermic reaction gives off energy and endothermic reactions absorb energy.
In order to have a balanced chemical equation, the atoms on both the product and reactant side of a combination reaction should be same. Thus, the
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