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Why do ionic compounds have high melting...

Why do ionic compounds have high melting points?

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Write the electron dot structure for sodium and chlorine atoms. How do these form a chemical bond? Name the type of bond so formed. Why does compound so formed has high melting point?

An element reacts with oxygen to give a compound with a high melting point.This compound is also solutble in water.the element is likely to be:

The transition elements have high melting points.

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MBD-METALS AND NON METALS-EXAMPLE
  1. What would you observe when zinc is added to a solution of iron sulpha...

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  2. Write the electron-dot structure for sodium oxide.

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  3. Why do ionic compounds have high melting points?

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  4. Define the terms: mineral

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  5. Define the terms: ore

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  6. What chemical process is used for obtaining a metal from its oxide?

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  7. Metallic oxides of zinc, magnesium and copper were heated with the fol...

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  8. Which metals do not corrode easily?

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  9. What are alloys?

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  10. Which of the following pairs will give displacement reactions:

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  11. Which of the following methods is suitable for preventing an iron fryi...

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  12. An element reacts with oxygen to give a compound with a high melting p...

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  13. Food cans are coated with tin and not with zinc because:

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  14. You are given a hammer, a battery, a bulb ,wires and a switch How coul...

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  15. You are given a hammer, a battery, a bulb ,wires and a switch. Assess...

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  16. What are amphoteric oxides? give two examples of amphoteric oxides?

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  17. Name two metals which will displace hydrogen from dilute acids, and tw...

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  18. In the electrolytic refining a metal M what would you take as the anod...

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  19. Pratyush took sulphur powder on a spatula and heated it. he collected ...

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  20. Pratyush took sulphur powder on a spatula and heated it. he collected ...

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