Bonding types
What type of bond involves the transfer of electrons from one atom to another?
Ionic Bond
How many total valence electrons are in a water (H_2O) molecule?
8
What is the molecular geometry of methane (CH_4)?
Tetrahedral
What is the strongest type of intermolecular force in water (H_2O)?
Hydrogen Bonding
What is the term for a bond where electrons are equally shared between atoms?
Non polar covalent bond
What type of bond involves the sharing of electrons between atoms?
Covalent Bond
What is the central atom in a methane (CH_4) molecule?
Carbon
What is the molecular geometry of a molecule with 3 bonding pairs and 1 lone pair?
Trigonal Pyramidal
What type of intermolecular force occurs between all molecules, regardless of polarity?
London dispersion forces
How many electrons are shared in a triple bond?
6
Which type of bond is formed between a metal and a non-metal?
Ionic Bond
What type of bond exists between the two oxygen atoms in an oxygen molecule (O_2)?
Double bond
What is the molecular geometry of carbon dioxide (CO_2)?
Linear
What type of intermolecular force occurs between polar molecules?
Dipole Dipole Forces
What is the molecular geometry of BF_3?
Trigonal Planar
What type of bond involves a “sea of electrons” shared among many atoms?
Metallic Bond
How many lone pairs are present on the central atom in ammonia (NH_3)?
1
What is the bond angle in a molecule with trigonal planar geometry?
120 degrees
Which has stronger intermolecular forces: hydrogen bonding or dipole-dipole forces?
Hydrogen bonding
What type of intermolecular force is responsible for the high boiling point of water?
Hydrogen Bonding
What determines whether a covalent bond is polar or nonpolar?
The difference in electronegativity between the bonded atoms.
True or False: The Lewis structure for sulfur dioxide (SO_2) involves resonance.
True
A molecule has 4 bonding pairs and 2 lone pairs on the central atom. What is its molecular geometry?
Square Planar
What causes London dispersion forces?
Temporary dipoles due to momentary fluctuations in electron distribution.
What is the shape and bond angle of a molecule with 2 bonding pairs and 2 lone pairs, such as H_2O?
Bent shape, bond angle approximately 104.5 degrees