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Two elements 'A' and 'B' have atomic num...

Two elements 'A' and 'B' have atomic numbers 11 and 19 respectively. State their position in the Modern Periodic Table.
Which element has bigger atomic radius.
What is the nature of their oxides.

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To solve the question, we will break it down into three parts: 1. **Determine the position of elements A and B in the Modern Periodic Table.** 2. **Identify which element has a bigger atomic radius.** 3. **Discuss the nature of their oxides.** ### Step 1: Determine the position of elements A and B in the Modern Periodic Table. ...
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Knowledge Check

  • The elements A, B, C and D have atomic numbers 4,12, 17 and 19 respectively. Which pair of elements belong to the same period?

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  • In the modern periodic table, the place of the element with atomic number 31 is in:

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    B
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    D
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  • An element X has atomic number 19.What will be the formula of its oxide?

    A
    `X_(2)O`
    B
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    C
    `XO_(2)`
    D
    `X_(2)O_(3)`

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