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10.2 Types of Chemical Bonds
metals tend to lose electrons easily The pooled electrons are delocalized over the entire metal.
The sea of electrons attracts the positively charged metal atoms.
We discuss metallic bonding in more detail.
The number of valence electrons in the main group is determined by the energy level of the electrons.
Valence electrons are equal to the group number of the most important in bonding because they are held most tightly and chemical bonding element.
Lewis models only have two focus on valence electrons.
A valence electron is represented by a dot in a Lewis symbol.
The element's symbol has a maximum of two dots per side and the dots are placed around it.
The Lewis symbols place dots singly before they are combined with all of the period 2 elements.
Lewis symbols can be used to visualize the number of electrons in a main-group atom.
Helium is not an exception.
The Lewis model doesn't try to calculate the energies associated with attractions and repulsions between electrons and nuclei.
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