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Write the formula of the compounds forme...

Write the formula of the compounds formed by : `Cr^(3+)` and `F^-`

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MBD-ATOMS AND MOLECULES -Example
  1. Write the formula and names of the compounds between : Sodium and sulp...

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  2. Write the formula and names of the compounds between : Aluminium and c...

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  3. Write the formula of the compounds formed by : Cr^(3+) and F^-

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  4. Write the formula of the compounds formed by :Pb^(2+) and SO4^(2-)

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  5. Write the formula of the compounds formed by :Mg^(2+) and S^(2-)

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  6. Write the formula of the compounds formed by: NH4^+and Cr2O7^(2-)

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  7. Write the formula of the compounds formed by : k+ and CrO4^(2-)

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  8. Calculate the formula mass of: Na2 CO3 * 10H2O

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  9. What do you understand by trivial names of compounds ?

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  10. Give the chemical names of five such compounds and give their trivial ...

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  11. Calculate :The number of atoms,in 46 g of Na

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  12. An element X shows two valencies i.e. 2 and 4. Write the formula of it...

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  13. Write the formula of the following salts :Zinc carbonate

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  14. Write the formula of the following salts : Ammonium sulphate

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  15. Write the formula of the following salts :Barium chloride

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  16. Write the formula of the following salts :Sodium nitrate

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  17. Write the formula of the following salts :Lead hydroxide

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  18. Write the formula of the following salts : Potassium permanganate

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  19. Write the names of the following compounds :Al2(SO4)3

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  20. Write the names of the following compounds :Mg(HCO3)2

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