Assertion :Metals are good conductor of heat and electricity. Reason: Metals have a free electrons .
A.Both the Assertion and the Reason are correct and the Reason is the correctexplanation of the Assertion
B.The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion
C.Our Assertion is true but the Reason is false.
D.The statement of the Assertion is false but the Reason is true.
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Answer:
Bhai, right answer is (A).
Explanation:
★ Metals is good conductor of electricity and heat because the atoms in the metals from a matrix through which outer electrons can move freely.Instead of orbiting their respective atom,
they form a sea of electrons that surround the positive nuclei of the interacting metal ions.