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Name the metalloid present in second per...

Name the metalloid present in second period

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**Step-by-Step Solution:** 1. **Understanding the Concept of Metalloids:** - Metalloids are elements that exhibit properties of both metals and non-metals. They are typically found between metals and non-metals on the periodic table. 2. **Identifying the Periods in the Periodic Table:** - The periodic table is organized into periods (horizontal rows) and groups (vertical columns). The second period includes the elements from lithium (Li) to neon (Ne). ...
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ICSE-THE PERIODIC TABLE -TOPIC 1 Modern Periodic Table and its Periodicity (5 Marks Questions )
  1. How valency of elements changes : Along the period from left to right

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

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  3. Name the metalloid present in second period

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

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

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

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

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

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

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

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

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

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  13. Name the scientist who proposed modern periodic law

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  14. Name first element of period 7

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

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

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  17. Properties of eka silicon resembles with which element ?

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

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  19. Elements W, X, Y, Z in the periodic table are shown below: State...

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  20. Elements W, X, Y, Z in the periodic table are shown below: State...

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