Question

describe the trend of electronegativity within groups and period with the help of example​

Answer 1

Answer:

So, as you move down a group on the periodic table, the electronegativity of an element decreases because the increased number of energy levels puts the outer electrons very far away from the pull of the nucleus. Electronegativity increases as you move from left to

Answer 2

Answer:

Explanation:it increases and decreases down a group. Towards the left  valence shells are less than half , so these atoms  tend to lose electrons and have low electronegativity.

because of why??

This is because, even though there are the same number of energy levels, there are more positive protons in the nucleus, creating a stronger pull on the negative electrons in the outer shell

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