Question
Which of the following is an alkaline earth metal?
Answer: Option B
:
B
Alkaline earthelements are elements found in the second group of the periodic table. These elements have two valence electrons.
In the given options magnesium (Mg) is the only elementhaving two valence electrons. So itbelongs to the second group and is an alkaline earth metal.
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:
B
Alkaline earthelements are elements found in the second group of the periodic table. These elements have two valence electrons.
In the given options magnesium (Mg) is the only elementhaving two valence electrons. So itbelongs to the second group and is an alkaline earth metal.
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