Question

A
1. Name : non metal which is lustrous and a metal
which is non-lustrous
(CBSE 2011)​

Answer 1

Explanation:

Diamond and iodine are two exceptions and are lustrous non metal .

Sodium is the metal which is non- lustrous.

Answer 2

Answer:

Sodium is the metal which is non- lustrous. A metal is lusterous because it has free electrons, whose properties create the “mirroring” effect. Pure sodium is not found naturally on earth because it is a highly reactive metal. Iodine is a non-metal but is lustrous .

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