Covalent bonding Flashcards
1
Q
Basis of covalent bonding
A
2 non metals sharing one or more pair of electrons to complete a full outer shell. FORMS STRUCTURES THAT ARE ISOELECTRONIC TO NOBLE GASES
2
Q
What does isoelectronic mean
A
Having the same electron configuration as another element
3
Q
Why do covalent molecules stay together
A
Electrostatic attraction, both atoms are trying to pull the electrons towards their own nucleus.
4
Q
Whats a dative coordinate bond and give an example where one is found?
A
a covalent bond where both electrons in a pair come from the same atom e.g. NH4+ /ammonia, CO, boron trifluoride + ammonia
