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1. Which is the most electronegative element?

2. Which has the lowest ionization energy among the Group 11A elements?

3. which is the least metal among Zinc, Scandium, and Iron?​


Sagot :

Answer:

1. Fluorine

Fluorine is assinged the oxidation number of -1 because it attracts the electrons in the bond more strongly than the carbon does. Thus, fluorine appears to have an extra electron, -1 oxidation number. F is the most electronegative element on the periodic table.

2. element T in group IIA has the least ionization energy.

3. silvery metal that tarnishes in air, burns easily and reacts with water. Scandium is mainly used for research purposes

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