456 cards
What is the periodic trend for electron affinity ? ____
____ is a measure of how strongly atoms attract electrons.
Electronegativity is a measure of ____.
What is the periodic trend for electronegativity? ____
What is the periodic trend for atomic size ? ____
Give the approximate electronegativity values of H, C, N, O, and F ____
A/an ____ bond is the sharing of electrons between two elements.
A/an covalent bond is the ____ of electrons between two elements.
____ bonds are when a single atom provides both bonding electrons .
Coordinate covalent bonds are when ____ .
____ bonds are formed by the complete transfer of valence electron(s) between atoms.
Ionic bonds are formed by ____.
____ refers to the number of bonds between two atoms (single, double, or triple bond).
Bond order refers to ____.
The greater the number of bonds (bond order) the ____ the bond.
Non-polar bonds have a △EN that is ____.
Polar bonds have a △EN that is between ____.
Cations are ions with a ____ charge.
____ are ions with a positive charge.
Anions are ions with a ____ charge
____ are ions with a negative charge
____ are large, organized arrays of ions.
Crystalline lattices are ____
Hydrogen bonds are most often formed between hydrogen and the following elements: ____.
____ bonds are most often formed between hydrogen and the following elements: O, N and F.
Van der Waals Forces is a general term that includes ____ forces.
____ is a general term that includes dipole-dipole forces and London dispersion forces.
____ forces are attractive forces between the positive end of one polar molecule and the negative end of another polar molecule.
Dipole-dipole forces are ____.
____ forces are temporary attractive forces created when a temporary dipole induces a dipole in a neighboring molecule.
London dispersion forces are ____ forces created when a temporary dipole induces a dipole in a neighboring molecule.
London dispersion forces are temporary attractive forces created when ____.
Place in order of strength: hydrogen bonds, dipole-dipole forces, and London dispersion forces
____ bonds are formed by head-on overlapping between atomic orbitals.
Sigma bonds are formed by ____ between atomic orbitals.
____ bonds are formed by lateral (side-by-side) overlap of atomic orbitals.
Pi bonds are formed by ____ of atomic orbitals.
____ is the charge given to an individual element within a molecule.
Formal charge is the charge given to ____.
Give the formula for formal charge Formal Charge = ____.
O is the hydrogen bond ____.
The bond angle of an sp hybridized atom is ____
The bond angle of an ____ hybridized atom is 180°
The bond angle of an sp 2 hybridized atom is ____
The bond angle of an ____ hybridized atom is 120°
The bond angle of an sp 3 hybridized atom is ____
The bond angle of an ____ hybridized atom is 109.5°
Bond angles of an sp 3 d hybridized atom are ____
Bond angles of an ____ hybridized atom are 90° and 120°
The bond angle of an sp 3 d 2 hybridized atom is ____
The bond angle of an ____ hybridized atom is 90°
An H 2 O molecule is a bent because ____
An H 2 O molecule is a be____cause the lone pair of electrons repulse each other and push the H atoms away
An ____ formula is the simplest whole-number ratio of atoms.
An empirical formula is the ____ ratio of atoms.
The ____ formula shows the exact number of atoms of each element.
The molecular formula shows ____.
____ is a number that relates the rate of a chemical reaction to the concentrations of the reacting substances.
Reaction order is a number that relates the ____.
For a zeroth order reaction: Rate Law: ____