An element is a metal or not is finally determined by wheter it is hard and shiny or not. Do you agree? give reasons
Answers
Answer:
no its not necessary that just because its hard and shiny it is a metal.
diamond is an allotrope or carbon and is the hardest substance on earth and at the same time is very lustrous and shiny.
there are other factors to consider to judge whether or not a substance is a metal or not, for eg, its ductility, malleability, ability to conduct heat and electricity, and so on.
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Answer:
Yes
Explanation:
Yes, I agree. Generally, all metals are hard and shining, except few exceptions like sodium which can be cut through a knife and zinc which can break even with a little pressure. On the other hand, non-metals don't shine and are not much hard. So, we can know if a substance is a metal or not by determining if it is hard and shining or not.