4.1 - covalent bonding Flashcards
1
Q
electrical conductivity: in a simple molecular substance, there aren’t any ________
A
charged particles
2
Q
why do simple molecular substances never conduct electricity?
A
because molecules are neutral
3
Q
can simple molecular substances conduct electricity?
A
no
4
Q
what are the bonding and structure for a metal + non-metal?
A
- ionic
- giant lattice
5
Q
bonding & structure for only non-metals?
A
- covalent
- simple molecules
6
Q
bonding & structure for only metals?
A
- metallic
- giant lattice
7
Q
what are the essential properties of a metal + non-metal?
A
- high mp/bp
- insulator when (s)
- conductor when (l)
- conductor when (aq)
other:
- brittle
- usually soluble in water
- crystalline
8
Q
what are the essential properties for only non-metals?
A
- low mp/bp
- insulator
other:
- usually insoluble in water
- dull
9
Q
what are the properties for only metals?
A
- high mp/bp
- conductor
other:
- malleable
- ductile
- shiny
