Unit 5 Study Guide Flashcards
1
Q
What does VSEPR stand for
A
Valence Shell Electron Pair Repulsion
2
Q
What does VSEPR mean
A
That compounds will take the shape that keeps their valence electron pairs as far away from each other as possible
3
Q
Why are the bond angles of a pyramidal shape smaller than a tetrahedral shape
A
Because the non bonded electron pair repels the bonds more
4
Q
What is the difference between polar bonds and non polar bonds
A
In non polar bonds the electrons are shared equally
In polar bonds the electrons are not shared equally
5
Q
Why do oil and water not mix
A
Because polar molecules do not mix with non polar molecules
6
Q
What are polyatomic ions
A
Ions that are formed when a group of atoms gains or loses electrons
