Topic 4 Flashcards
1
Q
What is a covalent bond?
A
The electrostatic attraction between a pair of shared electrons and their positive nuclei
2
Q
If the electronegativity value is between 0-0.4 what is it?
A
Non polar covalent
3
Q
If the electronegativity value is between 0.5 -1.7 what is it?
A
Polar covalent
4
Q
If the electronegativity value is more than 1.8 what is it?
A
Ionic
5
Q
What type of covalent bonds are the weakest?
A
Single covalent bonds,, they are also the longest
6
Q
What are the strongest type of covalent bonds?
A
Triple bonds,, they are also the shortest
7
Q
What does bond polarity result from?
A
The difference in electronegativity
8
Q
What is meant by polar?
A
The uneven sharing of electrons
9
Q
What is meant by non polar?
A
The equal sharing of electrons
