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Using the periodic table, predict the fo...

Using the periodic table, predict the formulas of compounds which might be formed by the following pairs of elements :
(a) Silicon and bromine
(b) Aluminium and sulphur

Text Solution

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Aluminium belongs to group 13 with a valency of 3, Sulphur belongs to group 16 with a valency of 2. Hence the formula of the compound formed would be `Al_2S_3`
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VMC MODULES ENGLISH-PERIODIC PROPERTIES OF ELEMENTS -In Chapter Exercise-F
  1. Using the periodic table, predict the formulas of compounds which migh...

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  2. Predict the blocks and periods of the following elements. Br (35)

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  3. Which of these is the weakest base?

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  4. Which of the following sequence correctly represents the decreasing ac...

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  5. Period to which Aluminium belongs is

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  6. Period to which Calcium belongs is

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  7. Period to which chlorine belongs is

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  8. Which of the following alkaline earth metal suphate salt is the least ...

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  9. Which of these alkali metal ions undergo the maximum hydration when ad...

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  10. Period to which Neon belongs is

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  11. The easily decomposable carbonate among these is,

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  12. Atomic number of an element is 33. State the group to which it belongs...

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  13. Which of these is the weakest base?

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  14. Atomic number of an element is 32. State the group to which it belongs...

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  15. Atomic number of an element is 36. State the group to which it belong...

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  16. Atomic number of an element is 37. State the group to which it belongs...

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  17. A : Solubility of alkaline earth metal carbonates decreases down the g...

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  18. Which of the following alkaline earth metal suphate salt is the least ...

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  19. Which of these alkali metal ions undergo the maximum hydration when ad...

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  20. Atomic number of an element is 53. State the group to which it belongs...

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  21. The easily decomposable carbonate among these is,

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