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What are ionic and molecular compounds? ...

What are ionic and molecular compounds? Give exmples.

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Ionic compounds are those compounds which are made up of ions. In ionic compounds the positively charged ions (cations) and negatively charged ions (anions) are held together by the strong electrostatic forces of attraction, which are known as ionic bonds or electrovalent bonds. e.g. sodium chloride (NaCl), Calcium oxide (CaO), etc.
Molecular compounds are those compounds in which the atoms of the elements share electrons via covalent bonds. Thus, in these compounds, covalent bonds are present. e.g., methane `(CH_(4))`, water `H_(2)O` etc.
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NCERT EXEMPLAR-ATOMS AND MOLECULES-Atoms And Molecules
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  2. A sample of vitamin C is known to contain 2.58 xx 10^(24) oxygen atoms...

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  3. Raunak took 5 moles of carbon atoms in a container and Krish also took...

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  4. Fill in the missing data in the following table.

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  5. The visible universe is estimated to contain 10^(22) stars. How many m...

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  6. What is the SI prefix for each of the following multiples and submulti...

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  7. Express each of the following in kilograms a) 5.84 xx 10^(-3)mg b)...

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  8. Compute the difference in masses of 10^(3) moles of each of magnesium ...

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  9. Which has more number of atoms? 100g of N(2) or 100g of NH(3)

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  10. Compute the number of ions present in 5.85g of sodium chloride.

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  11. A gold sample contains 90% of gold and the rest copper. How many atoms...

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  12. What are ionic and molecular compounds? Give exmples.

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  13. Compute the difference in masses of one mole each of aluminium atoms a...

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  14. A silver ornament of mass 'm' gram is polished with gold equivalent to...

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  15. A sample of ethane (C(2)H(6)) gas has the same mass a 1.5 xx 10^(20) m...

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  16. Fill in the blanks. a) In a chemical reaction, the sum of the masses...

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  17. Complete the following crossword puzzle (Figure) by using the name of ...

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  18. a) In this crossword puzzle (Figure), names of 11 elements are hidden....

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  19. Write the formulae for the following and calculate the molecular mass ...

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  20. In photosyntheses, 6 molecules of carbon combine with an equal number ...

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