Chemistry

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Across
  1. 3. Devansh picked up a ball of a certain substance and threw it up when it hit the ground it did not break but it dented badly.What could be the substance.
  2. 4. Who was the first scientist to use the term element in 1661?
  3. 5. I am a non metal which is a good conductor of heat.Who am I ?
  4. 8. I am a metal brown in colour .Who am I ?
  5. 9. I Am a metal which is non-malleable at room temperature.Who am I ?
  6. 10. Melting of a candle is what type of a change?
Down
  1. 1. A______ Is a substance composed of Two or more elements chemically combined with one another in a fixed proportion.
  2. 2. Vidyans picked up another ball But this one melted in his hand as soon as he touched it .What could it be made of?
  3. 6. I am a metal having the lowest melting point.Who am I?
  4. 7. Ravi is given sulfur and iron fillings he combines them by heating them to form FeS .What kind of mixture is formed in this case?