Chemical Bonding I: Basic Concepts
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the linking/attraction of atoms to form compounds
Chemical Bonding
the outer shell electrons of an atom
Valence Electrons
The valence electrons are the electrons that participate in…
chemical bonding
___ are also involved in chemical reactions
innermost electrons
chemical reactions that involve the nucleus, which produces large amounts of energy.
Nuclear Reactions
the tendency of atoms to prefer to have eight electrons in the valence shell
Octet Rule
the family not much involved in transferring of electrons but in sharing
4A
a representation of the valence electrons of an atom that uses dots around the symbol of the element
Lewis Dot Symbol/Structure
pairing starts when there are more than _ electrons
4
paired electrons are called…
lone pair
cause bonding to have 8 electrons
Unpaired Electrons
inactive family because they do not need to bond with other atoms/elements
8A
Bonding happens between metals and non-metals.
Ionic Bonding
the energy required to completely separate one mole of a solid ionic compound into gaseous ions.
Lattice Energy (E)
kilojoules per mole
kJ/mol
the temperature where elements melt from being solid to liquid.
melting point
More lattice energy =
more heat required
a chemical bond in which two or more electrons are shared by two atoms.
Covalent Bond
unpaired electrons will be shared to the other unpaired, the process is called ____
Covalent Bonding
product of covalent bonding
covalent compound
represents sharing
dash (-)
Covalent bonds can be single, double, or triple depending on the number of _____
sharing
two atoms share two pairs of electrons
double bond
two atoms share three pairs of electrons
triple bond