Covalent Bonding
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44 Terms
Ionic Bonds
attraction between positive metal and negative nonmetal ions transferring electrons
Attraction between positive metal and negative nonmetal ions transferring electrons
ionic bonds
Covalent bonds
sharing of electrons between two nonmetals
sharing of electrons between two nonmetals
covalent bonds
Metallic bonds
metal atoms bonded to several other atoms
Metal atoms bonded to several other atoms
metallic bonds
Why do nonmetals form covalent bonds?
to create a noble gas configuration for each atom
What is done to create a noble gas configuration for each atom?
nonmetals form covalent bonds
How many valence electrons are in a noble gas configuration
8 except He
8 except He are the number of valence electrons in a what?
noble gas configuration
2 atoms share what in covalent bonds?
pairs of electrons
What shares pairs of electrons
2 atoms in covalent bonds
When do covalent bonds form?
when half filled valence electron orbitals overlap
What forms when half filled valence electron orbitals overlap?
covalent bonds
What are molecules?
compounds with covalent bonds
what are compounds with covalent bonds?
molecules
What is bond length?
the distance between 2 nuclei
What is the distance between 2 nuclei?
bond length
What does bond length correspond to?
the minimum on the potential energy curve
What corresponds to the minimum on the potential energy curve?
bond length
What is the distance in which attractive and repulsive forces between electrons and protons are balanced?
bond length
Bond length is the distance in which what are balanced?
attractive and repulsive forces between electrons and protons are balanced
What is a diatomic molecule?
a molecule with two atoms
What is a molecule with two atoms?
a diatomic molecule
What seven elements are diatomic when alone?
hydrogen, oxygen, nitrogen, chlorine, bromine, iodine, fluorine
Hydrogen, oxygen, nitrogen, chlorine, bromine, iodine, fluorine describe elements that are
diatomic when alone
Why do we use prefixes in molecule names?
to tell how many atoms of an element are present
What do we use to tell how many atoms of an element are present?
prefixes in molecule names
1
mono
mono
1
2
di
di
2
3
tri
tri
3
tetra
four
four
tetra
penta
5
5
penta
6
hexa
hexa
6
7
hepta
hepta
7
octa
8
8
octa