Which element in period 4 has the highest electronegativity

Electronegativity is the property of an element that measures the ability of it to attract and form electron bonds. The trend in the periodic table in terms of electronegativity decreases from right to left and from top to bottom. In the case of period 4, the element with the highest electronegativity is bromine. 

i don,t know so just answer mine

your answer is c) plasma

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