The elements x, y and z are present in one period of the periodic table. Chemically their oxides are acidic, amphoteric and basic respectively. When these elements are arranged in ascending order of atomic number they are :

x, y, z

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z, y, x

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y, z, x

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y, x, z

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Solution

The correct option is B z, y, x
In a period basic nature decreases and acidic nature of oxides increases along a period. Hence, 'Z' is the element with the least atomic number, 'Y' is the next one and 'X' is the element with the highest atomic number.

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The elements x, y and z are present in one period of the periodic table. Chemically their oxides are acidic, amphoteric and basic respectively. When these elements are arranged in ascending order of atomic number they are :

The correct option is B z, y, xIn a period basic nature decreases and acidic nature of oxides increases along a period. Hence, 'Z' is the element with the least atomic number, 'Y' is the next one and 'X' is the element with the highest atomic number.

The correct option is B z, y, x
In a period basic nature decreases and acidic nature of oxides increases along a period. Hence, 'Z' is the element with the least atomic number, 'Y' is the next one and 'X' is the element with the highest atomic number.