Linus Pauling noticed that bonds between different elements (\"heteronuclear\")

Question

Linus Pauling noticed that bonds between different elements ("heteronuclear") appeared to be stronger than bonds between two atoms of the same element ("homonuclear"). He proposed that the bonding electrons. In heteronuclear molecules were not shared equally, reasoning that one atom attracted the electrons in the bond more strongly than the other atom. The electronegativity of an atom is its ability to attract electrons in a covalent bond closer to itself, Fluorine is the most electronegative element. Describe the trend in electronegativity of elements from left to right across a period of the Periodic Table. Describe the trend in electronegativity from top to bottom of a group of the Periodic Table. When carbon and oxygen are covalently bonded, are the electrons in the bond attracted closer to carbon or oxygen? Which atom (C or O) is at the negatively polarized end of a bond between carbon and oxygen? Which atom is at the positively polarized end? Write a team explanation of your answer in a sentence.

Explanation / Answer

Answer:

1) In a period from left to right the electronegativity of elements increases.

2) In a group from top to bottom the electronegativity of elements decreases.

3) The electrons in the bond are attracted closer to oxygen.

4) In C = O . C is Positive charge and O gets negative charge

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