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What are valence electrons ?...

What are valence electrons ?

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ICSE-ATOMIC STRUCTURE AND CHEMICAL BONDING-EXERCISE 4(C)
  1. What are inert elements ?

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  2. Why do they exist as monoatoms in molecules?

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  3. What are valence electrons ?

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  4. In what respects do the three isotopes of hydrogen differ? Give their ...

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  5. Match the atomic number 4, 14, 8, 15 and 19 with each of the followin...

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  6. Match the atomic number 4, 14, 8, 15 and 19 with of the following: ...

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  7. Match the atomic number 4, 14, 8, 15 and 19 with of the following: ...

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  8. Match the atomic number 4, 14, 8, 15 and 19 with of the following: ...

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  9. Draw diagrams representing the atomic structures of the following: ...

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  10. Draw diagrams representing the atomic structures of the following: C...

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  11. Draw diagrams representing the atomic structures of the following: C...

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  12. Draw diagrams representing the atomic structures of the following: O...

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  13. What is the significance of the number of protons found in the atoms o...

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  14. Elements X, Y and Z have atomic numbers 6, 9 and 12 respectively. Whi...

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  15. Elements X, Y and Z have atomic numbers 6, 9 and 12 respectively. Whi...

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  16. Elements X, Y and Z have atomic numbers 6, 9 and 12 respectively. Whi...

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  17. Element X has electronic configuration 2, 8, 18, 8, 1. Without identif...

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  18. Element X has electronic configuration 2, 8, 18, 8, 1. Without identif...

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  19. Define the terms: mass number

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  20. Define the terms: ion

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