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What is a symbol ? What information does...

What is a symbol ? What information does it convey ?

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ICSE-THE LANGUAGE OF CHEMISTRY-EXCERCISE 1 (A)
  1. What is a symbol ? What information does it convey ?

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  2. Why is the symbol S for sulphur, but Na for sodium and Si for silicon ...

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  3. Write the full form of IUPAC. Name the elements represented by the fol...

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  4. Write the full form of IUPAC. Name the elements represented by the fol...

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  5. Write the full form of IUPAC. Name the elements represented by the fol...

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  6. Write the full form of IUPAC. Name the elements represented by the fol...

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  7. If the symbol for Cobalt, Co, were written as CO, what would be wrong ...

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  8. What do the following symbol stand for H ?

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  9. What do the following symbol stand for H2?

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  10. What do the following symbol stand for 2H ?

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  11. What do the following symbol stand for 2H2 ?

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  12. What is meant by atomicity ? Name a diatomic element.

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  13. Explain the terms 'valency' and 'variable valency'.

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  14. How are the elements with variable valency named ? Explain with an exa...

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  15. Give the formula and valency of : aluminate

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  16. Give the formula and valency of : chromate

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  17. Give the formula and valency of : aluminium

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  18. Give the formula and valency of : cupric

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  19. What is a chemical formula?

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  20. What is the significance of a formula ? Give an example to illustrate.

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