Chemistry
(a) How do alkaline earth metals occur in nature?
(b) Write the electronic configuration of the first two alkaline earth metals.
Periodic Table
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Answer
(a) Alkaline earth metals are reactive metals, hence they do not occur in free state in nature. Their oxides occur in the earth's crust.
(b) Electronic configuration of beryllium (Be) is [2, 2] and magnesium (Mg) is [2, 8, 2]
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