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Identify the following on the basis of g...

Identify the following on the basis of given atomic numbers:
19,15,14,8,4
Metal with valency of 1.

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19 (potassium)
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ICSE-THE PERIODIC TABLE -TOPIC 1 Modern Periodic Table and its Periodicity (2 Marks Questions )
  1. Complete the table :

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  2. Identify the following on the basis of given atomic numbers: 19,15,1...

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  3. Identify the following on the basis of given atomic numbers: 19,15,1...

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  4. Identify the following on the basis of given atomic numbers: 19,15,1...

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  5. Identify the following on the basis of given atomic numbers: 19,15,1...

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  6. Write the hydrides of Lithium and Beryllium

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  7. What is the common name of the groups given below. A. Group 2 B. G...

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  8. Arrange the following elements Li, B, O, Be, N,F in the order of decre...

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  9. Arrange the following elements Li, B, O, Be, N,F in the order of metal...

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  10. Name or state with reference to the elements of the modern periodic ta...

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  11. With reference of first three periods of the periodic table. Metallo...

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  12. With reference of first three periods of the periodic table. Valency...

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  13. With reference of first three periods of the periodic table. Noble g...

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  14. What is the total number of elements in the I group of the modern peri...

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  15. What is the total number of elements in the II group of the modern per...

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  16. What is the total number of elements in the III group of the modern pe...

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  17. Name two elements of group II

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  18. State variation in number of shells in Period

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  19. State variation in number of shells in Group

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  20. Compare and contrast the arrangement of elements in Mendeléev’s Period...

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