Topic 2- Lecture 8 Flashcards
Include B, Be
Electron deficient
Central atom has more than 8 electrons surrounding it
Extended octet
Where do the electrons in and extended octet go?
The d subshell
Used to identify the most stable or likely structure
Formal charge
Formal charge
Number of valence electrons assigned to the neutral atom- number of electrons assigned to the atom in the structure
Reside on the more electronegative elements in the structure
Negative formal charges
_____________ of valence electrons decreases as they approach the nucleus of another atom
Far apart to close together
Potential energy
Amount of energy it takes to create a bond or put it back together
Bond energy
As the ______________ of bonding atoms increase, the bond length increases and the bond energy decreases.
Atomic radii
As the _________________ between two atoms increases, the bond length decrease and the bond energy increases.
number of bonds
Long to short
Weak to strong
Single bond
Double bond
Triple bond
Number of bonds between two atoms
Bond order
Bond order increases
Bond length decrease
PE decrease
Bond energy increases
Bond order decreases
Long bond length
High PE
lower bond energy
Double or triple bonds can be located between different atoms
Resonance structure
