Examlex
Facebook is a social networking Web site that is used by a growing number of individuals. Because of its popularity, it is now more difficult for new networking websites to enter and compete with Facebook. Facebook enjoys ________ as a barrier for others to enter the market.
Electronic Configuration
An arrangement of electrons in an atom or molecule in specific energy levels (orbitals) according to the principles of quantum mechanics.
Formal Charge
A theoretical charge on an atom in a molecule, calculated by assuming equal sharing of electrons in bonds.
Non-Bonding Electrons
Electrons in an atom that are not involved in bonding but occupy the outer electron shells or orbitals.
Formal Charge
The charge assigned to an atom in a molecule, assuming that electrons in all chemical bonds are shared equally between atoms.
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