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How Will the Tendency to Gain Electrons Change as We Go from Left to Right Across a Period? Why? - Science

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How will the tendency to gain electrons change as we go from left to right across a period? Why?

 

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Solution

As we move from left to right across a period in the periodic table, the tendency to gain electron increases.

On moving from left to right across a period in the periodic table, there is an increase in the nuclear charge of the elements. At the same time, the size of the elements decreases. As a result, the effective nuclear charge acting on the valence electrons increases. Hence, the tendency to gain electrons increases.

Concept: The Modern Periodic Table
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