covalent bonding Flashcards
what is covalent molecular substance?
A covalent molecular substance consists of molecules.
what is a covalent bond?
A bond of two non-metal atoms that share a pair of electrons and are held together by a strong electrostatic force
what is a typical property of molecular covalent substances
do not conduct electricity
have a low melting and boiling point
Oxygen is in Group 6 of the periodic table. How many covalent bonds does it usually form?
2
What force is overcome when a molecular covalent substance melts or boils?
Intermolecular force
Which allotrope (form) of pure carbon conducts electricity?
Graphite
Which allotrope (form) of pure carbon is the hardest?
Diamonds
Which is a common use for diamonds?
In cutting tools and drill bits
jewelry
What sorts of elements are involved in covalent bonding?
Two non-metals
