Covalent Bonding Flashcards
1
Q
what is covalent bonding?
A
strong electrostatic attraction between a shared pair of electrons and the nuclei of bonded atoms
2
Q
what are the types of covalent bonding?
A
- single
- multiple
- dative//coordinate
3
Q
what are the elements which are exempt from the rule of 8?
A
- boron
- phosphorus
- sulfur
4
Q
what are the properties of covalent molecules?
A
- low melting and boiling points = weak london forces
- poor conductors
5
Q
what is average bond enthalpy?
A
measurement of the strength of a covalent bond
6
Q
the larger the bond enthalpy…
A
the stronger the covalent bond
7
Q
in dative bonding where does the arrow point towards?
A
one that is accepting the electrons
