Elements that have high electronegativities occur in which group on the periodic table? a. ia b. iiia c. viia d. iia e. o

Answer is: c.VIIA.

In VIIA or group 17 (hologen elements) there are six elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At).and tennessin(Ts).
They have high electronegativity because they have seven valence electrons in their outermost energy level, so they can gain an electron to have the octet rule. 
Electronegativity is a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.

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