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How valency of elements changes : Along ...

How valency of elements changes : Along the period from left to right

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To understand how the valency of elements changes along a period from left to right in the periodic table, we can analyze the electronic configurations and the number of valence electrons of the elements in a specific period. Let's take the second period as an example. ### Step-by-Step Solution: 1. **Identify the Elements in the Period**: - The second period consists of the following elements: Lithium (Li), Beryllium (Be), Boron (B), Carbon (C), Nitrogen (N), Oxygen (O), Fluorine (F), and Neon (Ne). 2. **Write the Electronic Configurations**: ...
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How valency of elements changes : Down the group from top the bottom

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How does ionisation energy vary (a) down the group and (b) along the period from left to right?

How do atomic radii vary (a) down the group and (b) along the period from left to right?

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Give reasons why ? The oxidizing nature of elements increases on moving from left to right along a period in the periodic table.

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ICSE-THE PERIODIC TABLE -TOPIC 1 Modern Periodic Table and its Periodicity (5 Marks Questions )
  1. Mention the part of group where the elements show: Highest metallic c...

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

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  3. How valency of elements changes : Along the period from left to right

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  4. How valency of elements changes : Down the group from top the bottom

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  5. Name the metalloid present in second period

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  6. For elements ""19^39X Write electronic configuration

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  7. For elements ""19^39X What is the group number

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  8. For elements ""19^39X What is the period number

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  9. For elements ""19^39X Number of valence electrons

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  10. For elements ""19^39X Valency of X

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  11. An elements P has atomic no. 13. Write its electronic configuration

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  12. An elements P has atomic no. 13. State the group to which it belong...

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  13. An elements P has atomic no. 13. Elements P is metal or non-metal ?

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  14. An elements P has atomic no. 13. Write the formula of its oxide

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  15. Name the scientist who proposed modern periodic law

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  16. Name first element of period 7

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  17. As we move down the group, the atomic size increases or decreases ?

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  18. What is the common feature of the electronic configurations of the ele...

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  19. Properties of eka silicon resembles with which element ?

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  20. Beryllium exhibits diagonal relationship with .................. (magn...

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