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Name the elements included in the first ...

Name the elements included in the first period of the periodic table.

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Hydrogen, Helium
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MAXIMUM PUBLICATION-MODEL PAPER 3-EXAMPLE
  1. Which elements show similarity in chemical properties in groups and pe...

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  2. Conducts electricity in molten state and when in solutions. This state...

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  3. Name the elements included in the first period of the periodic table.

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  4. Analyse the following statements and correct them if there is a mistak...

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  5. Analyse the following statements and correct them if there is a mistak...

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  6. What are oxidation and reduction ?

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  7. From the following statements Choose those applicable to covalent co...

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  8. The valency of iron (Fe) is 3 and oxygen (0) is 2. Write the chemic...

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  9. The chemical formula of aluminium chloride is AlCl3. Write the valenci...

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  10. Write the equation to find out the maximum number of electrons that ca...

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  11. Find out the maximum number of electrons that can be accommodated in t...

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  12. The atomic number of magnesium is 12 and Fluo¬rine is 9. Write the e...

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  13. The atomic number of magnesium is 12 and Fluo¬rine is 9. Write the e...

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  14. Classify the following compounds as ionic and covalent. (Hint:- electr...

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  15. Classify the following compounds as ionic and covalent. (Hint:- electr...

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  16. Classify the following compounds as ionic and covalent. (Hint:- electr...

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  17. Classify the following compounds as ionic and covalent. (Hint:- electr...

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  18. Balance the following chemical equations. Zn + HCl rarr ZnCl2 + H2

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  19. Balance the following chemical equations. Mg + O2 rarr MgO

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  20. Balance the following chemical equations. SO2 + O2 rarr SO3

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