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प्रश्न
Define: Elements
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उत्तर
Element is a substance which cannot be broken further into simpler substances and has a definite set of properties. Elements are made up of only one kind of atoms.
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संबंधित प्रश्न
Name A substance used as an insulator.
Answer the following question:
When iron is mixed with sulphur at room temperature, it does not form a compound. Why?
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
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Complete the statement with the correct words.
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Complete the statement given below by filling in the blank with the correct word.
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Ti
Elements are broadly classified into metals and non-metals. State six general differences in the physical properties of metals and non-metals. State two metals and two non-metals which contradict with the general physical properties – giving reasons. State one difference in property between metalloids and noble gases.
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A non-metal that is lustrous.
Reason out
Elements are called semimetals.
