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Three elements X, Y and Z have atomic nu...

Three elements X, Y and Z have atomic numbers 7, 8 and 9 respectively.
Write the formula of compound formed between
X and Y

Text Solution

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`X_(2) Y_(3)`
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Knowledge Check

  • Two elements, Xand Y, have atomic numbers 33 and 17 , rspectively. The molecular formula of a stable compound formed between them is-

    A
    XY
    B
    `XY_(2)`
    C
    `XY_(3)`
    D
    `XY_(4)`

  • Three elements X , Y and Z have atomic numbers 19 , 37 and 55 respectively . Then the correct statements (s) is / are

    A
    Their ionisation potential would increase with increasing atomic numbers
    B
    Y would have an ionisation potential between those X and Y
    C
    Y would have the highest ionisation potential
    D
    Z would have the highest ionisation potential

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    Three elements 'X', 'Y' and 'Z' have atomic numbers 7, 8 and 9 respectively. (a) State their positions (Group number and period number both) in the Modern Periodic Table. (b) Arrange these elements in the decreasing order of their atomic radii. (c) Write the formula of the compound formed when 'X' combines with 'Z'.

    Three elements X, Y and Z have atomic numbers 7, 8 and 9 respectively. Arrange them in the decreasing order of their atomic radii.

    Three elements 'X', 'Y' and 'Z' have atomic numbers 7, 8 and 9 respectively. State their position (Group number and period number both) in the Modern Periodic Table.

    Three elements 'X', 'Y' and 'Z' have atomic numbers 7, 8 and 9 respectively. Arrange these elements in the decreasing order of their atomic radii.

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