raheem understood that metals are hard and non-metals are soft. during the discussion with his brother he came to know that diamond is hardest materials and it is 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.
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the question are as follows:
1.diamond is a non metal.and we know non metals are soft.then why is diamond the hardest?
2.are non metals not always hard??why??
1.diamond is a non metal.and we know non metals are soft.then why is diamond the hardest?
2.are non metals not always hard??why??
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3
Why Mercury is soft although it is a metal??
What diamond is composed of as it is the hardest??
Are these the only exceptions or there are many more??I should find out
What diamond is composed of as it is the hardest??
Are these the only exceptions or there are many more??I should find out
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