How are elements in the same group in the periodic table alike? A. they have similar chemical properties
B. They have similar atomic masses
C. They have the same color in nature
D. They have the same chemical symbol

A. they have similar chemical properties

Explanation: How are elements in the same group in the periodic table alike? A. they have similar chemical properties

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metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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