Molecular Compounds
Covalent Bonding
Bonding Theories
Polar Bonds & Molecules
random
100
Atoms held together by sharing electrons
Covalent bond
100
Two atoms held together by sharing a pair of electrons are joined by a _______________.
single covalent bond
100
When two atoms combine, their atomic orbitals overlap to produce ____________.
Molecular orbitals
100
A covalent bond between atoms in which the electrons are shared unequally.
Polar Bond/ polar covalent bond
100
A bond formed by sharing three pairs of electrons.
Triple covalent bond
200
Molecule consisting of two atoms.
Diatomic Molecule
200
A pair of valence electrons that is not shared between atoms. (nonbonding pair)
Unshared Pair
200
Formed when two atomic orbitals combine to form a molecular orbital that is symmetric around the axis connecting two atomic nuclei.
Sigma bond
200
Molecule in which one end is slightly negative and the other end is slightly positive.
Polar molecule
200
A molecular orbital that can be occupied by two electrons of a covalent bond
Bonding orbital
300
A compound composed of molecules
Molecular Compound
300
A bond that involves two shared pairs of electrons.
A double covalent bond.
300
Bonding electrons are most likely to be found in sausage-shaped regions above & below the bond axis of the bonded atoms. π
Pi bond
300
Attractive forces in which a HydROGEN covalently BONDed to an electromagnetic atom is also weakly bonded to an unshared electron pair of another electromagnetic atom
Hydrogen bonds
300
Neutral group of atoms joined together by covalent bonds.
Molecule
400
Molecular compounds tend to have relatively lower melting & boiling points than _______________.
Ionic Compounds
400
Bond in which one atom contributes both bonding electrons.
A coordinate covalent bond.
400
Orbital hybridization provides information about both molecular bonding and molecular ____________.
shape
400
intermolecular attractions are weaker than either ionic or _________ bonds.
Covalent
400
A tightly bound group of atoms that has a positive or negative charge and behaves as a unit.
Polyatomic ion
500
This shows how many atoms of each element a molecule contains.
A molecular formula.
500
The octet rule can't be satisfied in molecules whose total number of valence electrons is an __________ number.
Odd
500
_______ ______ results from an imbalance between the attractions & repulsions of the nuclei & electrons involved.
Covalent bonding
500
Weakest of all molecular interactions.
Dispersion forces.
500
A molecular formula does not tell you about a molecule's _________________________.
Structure