CHEM 110 Chapter Notes - Chapter 10: Atomic Orbital, Chemical Polarity, Electronegativity

135 views21 pages

pinkraven362

8 May 2012

School

Department

Course

Professor

For unlimited access to Textbook Notes, a Class+ subscription is required.

lionel.angibeaud and 39534 others unlocked

CHEM 110 Full Course Notes

Verified Note

37 documents

Document Summary

10. 1: lewis theory: an overview: lewis theory. Electrons, especially valence electrons, play a fundamental role in chemical bonding. Ionic bonding occurs when electrons are transferred from one atom to another (between positive and negative ions). Covalent bonding occur when electrons are shared between atoms. Electrons are transferred or shared in such a way that each atom acquired an especially stable electron configuration (octet). Definition: a lewis symbol consists of a chemical symbol to represent the nucleus and core (inner-shell) electrons of an atom, together with dots placed around the symbol to represent the valence electrons. Definition: a lewis structure is a combination of lewis symbols that represents either the transfer or the sharing of electrons in a chemical bond. Lewis structures for ionic compounds: for an ionic compound of a main-group element. The lewis symbol of the metal ion has no dots if all the valence electrons are lost.

Related Questions

Which of the following statements about Lewis structures is FALSE?
a) An octet is when an atom has 8 valence electrons.
b) A duet is a stable electron configuration for helium.
c) An ionic bond occurs when electrons are transferred.
d) A covalent bond occurs when electrons are shared.
e) All of the above statements are true.