AP BIOLOGY

BIOCHEMISTRY

POLAR AND NONPOLAR MOLECULES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If you have a bond between a metal atom and a nonmetal atom, which of the two is more electronegative and why?
A
The nonmetal atom is generally more electronegative because it is located on the right side of the periodic table, where more electronegative atoms are located.
B
The metal atom is generally more electronegative because it is located on the right side of the periodic table, where more electronegative atoms are located.
C
The nonmetal atom is generally more electronegative because it is located on the left side of the periodic table, where more electronegative atoms are located.
D
The metal atom is generally more electronegative because it is located on the left side of the periodic table, where more electronegative atoms are located.
Explanation: 

Detailed explanation-1: -Thus, the nonmetals, which lie in the upper right, tend to have the highest electronegativities, with fluorine the most electronegative element of all (EN = 4.0). Metals tend to be less electronegative elements, and the group 1 metals have the lowest electronegativities.

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