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Write the reason behind the digonal rela...

Write the reason behind the digonal relationship among element.

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### Step-by-Step Solution 1. **Understanding Diagonal Relationships**: Diagonal relationships refer to the similarities in properties between certain pairs of elements in the periodic table that are not in the same group or period but are diagonally positioned. For example, lithium (Li) and magnesium (Mg) or beryllium (Be) and aluminum (Al). 2. **Identical Size of Ions**: The primary reason for diagonal relationships is the similar ionic sizes of these elements. As we move across a period from left to right, the atomic size decreases due to the increasing nuclear charge, which pulls the electrons closer to the nucleus. ...
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Write two reasons behind the anomalous behaviour of first element of each group.

Knowledge Check

  • The pair of elements showing diagonal relationship are:

    A
    Li & Be
    B
    B & Be
    C
    Na & B
    D
    Li & Mg

  • Assertion: Be is readily attacked by acids. Reason: Be shows diagonal relationship to Na.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

    • Similar Questions

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    Name the periods whose elements show diagonal relationship.

    Second element of group 1 shows diagonal relationship with the secound element of group "_____" .

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