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What is the trend in the atomic size in ...

What is the trend in the atomic size in a group, does it increase or decrease?

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### Step-by-Step Solution: 1. **Understanding the Question**: The question asks about the trend in atomic size when moving down a group in the periodic table. 2. **Identify the Concept**: Atomic size refers to the distance from the nucleus to the outermost shell of electrons. 3. **Moving Down a Group**: As we move down a group in the periodic table, the number of electron shells (or energy levels) increases. For example, moving from lithium (Li) to sodium (Na) to potassium (K), each element has an additional shell of electrons. ...
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ICSE-PERIODIC PROPERTIES OF ELEMENTS -QUESTIONS FOR PRACTICE (Answer the questions in one word or in one sentence:)
  1. How many groups are there in the modern periodic table?

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  2. Name the first element of group 13.

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  3. Potassium belongs to which period of the periodic table?

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  4. Calcium belongs to which group of the periodic table?

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  5. How many electrons are present in the outermost orbit of helium?

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  6. How many shells are there in an atom of silicon?

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  7. Name the element which belongs to group 17 and period 2 of the modern ...

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  8. What is the common name of the elements of group 1?

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  9. What is the general name of the elements of group 17?

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  10. To which group of the modern periodic table do alkaline earth metals b...

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  11. Which one of Li and F has larger atomic radius?

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  12. Which one of Li and K has larger atomic size?

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  13. How does valency change within a group of the periodic table?

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  14. Which one of F and Cl is more electronegative?

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  15. Which one of F and Cl has larger electron affinity?

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  16. What is the trend in the atomic size in a group, does it increase or d...

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  17. State modern periodic law of classification of elements.

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  18. Who proposed that atomic number is the fundamental property of an elem...

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  19. Which one of Mg and Ca is more metallic?

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  20. From the electronic configurations N (2,5), O (2,6) and F (2,7), answe...

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