Covalent bonding Flashcards
1
Q
What is covalent bonding?
A
two positive nuclei are held together by their common attraction for a shared pair of electrons
2
Q
What are diatomic molecules
A
Covalently bonded molecules
3
Q
What are the names to describe bond angle
A
Linear (straight line), angular, trigonal. pyramidal or tetrahedral
4
Q
Properties of covalent molecular substance
A
Flexible
Strong covalent bonds within molecules and weak attractions between
low melting and boiling points
do not conduct electricity
insoluble in water but will dissolve in other solutions
5
Q
Properties of covalent network
A
Hard Strong covalent bond within one giant structure High melting and boiling points do not dissolve do not conduct electricity
