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Question
Name the following with reference to the elements of the modern periodic table.
The alkali metal in period 2
Name the following with reference to the elements of the modern periodic table.
The alkali metal in period 2
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Solution
The correct option is B Li
The group IA elements (Li, Na, K, Rb, Cs and Fr) are called alkali metals and the group II A elements (Be, Mg, Ca, Sr, Ba and Ra) are called alkaline earth metals.
According to this, period 2 alkali metal is Li.
The group IA elements (Li, Na, K, Rb, Cs and Fr) are called alkali metals and the group II A elements (Be, Mg, Ca, Sr, Ba and Ra) are called alkaline earth metals.
According to this, period 2 alkali metal is Li.
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