Class 10SciencePeriodic Classification of ElementsMix Examples - Periodic Classification of Elements
MediumWhy does the basic character decrease along a period? Give reasons.
(N/A) Due to an increase in nuclear charge,the tendency to lose electrons decreases. This reduces the metallic character and,consequently,the basic character decreases.
$(b)$ Due to the increased nuclear charge,the atomic size decreases,which leads to a decrease in the electropositive character.
$(b)$ Due to the increased nuclear charge,the atomic size decreases,which leads to a decrease in the electropositive character.
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Which of the following sets of elements is written in the order of their increasing metallic character?
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$(a)$ The elements of the same group have similar chemical properties.
$(b)$ The elements of the same period have different properties.
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