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Predict the formula of hydrides of carbo...

Predict the formula of hydrides of carbon and silicon using Mendeleev's periodic table.

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Hydrides of carbon and silicon are : C is in Group 4. So, the hydride will be `CH_4` (Methane).
Si is in Group 4. So, the hydride will be `SiH_4` (Silane)
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ICSE-THE PERIODIC TABLE -TOPIC 1 Modern Periodic Table and its Periodicity (2 Marks Questions )
  1. Provide reason for each of the following: Discarding the law of triad.

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  2. Did Dobereiner's triads also exist in the columns of Newlands' octaves...

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  3. Predict the formula of hydrides of carbon and silicon using Mendeleev'...

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  4. The atomic number of an element is more important to the chemist than ...

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  5. Consider the following elements: Be, Li, Na, Ca,K. Name the elements o...

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  6. Consider the following elements: Be, Li, Na, Ca,K. Name the elements o...

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  7. State modern periodic law of classification of elements.

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  8. How many periods and groups are there in the modern periodic table ?

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  9. What is the main characteristic of the last elements in the periods of...

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  10. What is meant by a group in the periodic table?

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  11. What is meant in the periodic table by a period ?

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  12. What is the number of elements in the 1^(st) period of the modern peri...

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  13. What is the number of elements in the 3^(rd) period of the modern peri...

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  14. Sodium and aluminium have atomic numbers 11 and 13, respectively. They...

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  15. Within a group where would you expect to find the element with (A) ...

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  16. Mention the part of group where the elements show: Big atomic size

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  17. The electronic configuration of element is ""35^17T is 2,8,7 Is it a...

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  18. Write electronic configuration of element underset(17)overset(35)""T....

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  19. Complete the table :

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  20. Complete the table :

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