Question

on moving from left to right in a period the basic nature of oxide decrease

Answer 1

on moving from left to right the basic nature of oxides reduce because as we move from left to right the non metallic character increases and non metallic oxides form acidic oxides hence the basic nature of oxide decreases on moving left to right

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Answer 2

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-The elements in first three groups are mostly metals as they have valence electrons between 1 to 3 .

-As they are metals they usually form basic oxides unlike them other groups have nonmetals and metaloids so they form acidic oxide .

-Moreover in the modern periodic table most of the metals are placed in left and nonmetals in right

-So as we move from left to right in a period basicity decreases and acidicity of oxides increases

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