Physics, asked by atharva281, 1 year ago

atomic number of metal " A" is 11, while atomic number of metal " B " is 20. which of the will be more reactive? write the chemical reaction of dil HCL with metal "A".

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Answered by Anonymous

16

A will be more reactive because it has half filled s - orbital.

2Na+2HCl-------2NaCl+H2(hydrogen gas)

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