After completion of metals and non metals chapter, Raheem understood that metals are hard and non metals are soft. During the discussion with his brother he came to know that Diamond is the hardest material and it is a non metal. Similarly, mercury is a soft material and it is a metal. These findings from the discussion raised some questions in Raheem’s mind. Can you guess those questions? Write them.
Questions that came to mind of Raheem’s are as follows
a) Metals are generally hard how can a diamond be the hardest in spite of being non-metal?
b) Mercury belongs to the category of metal and still, it is soft instead of being hard, How?
c) why diamond being non-metal has luster?
Couldn't generate an explanation.
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