Q.

The second group of the modern periodic table represents -

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a

Halogens

b

Alkaline metals

c

Alkaline earth metals

d

Metalloids

answer is A.

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Detailed Solution

Group 2A (or IIA or second group) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). They are more complex and less reactive than the alkali metals of Group 1A.

Hence, The second group of the modern periodic table represents alkaline earth metals.

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