Atomic Structure and Bonding

?
  • Created by: Emily1
  • Created on: 20-06-13 20:08
Why do ionic compounds have high melting and boiling points?
Ionic compounds have high melting and boiling points because there are strong bonds between their ions.
1 of 8
In what physical state or states do ionic substances conduct electricity?
liquid or dissolved in water
2 of 8
When a substance with a simple molecular structure boils, which bonds are broken?
When a molecular substance boils, the bonds broken are intermolecular bonds.
3 of 8
Name a statements that is true of substances with a simple molecular structure?
Substances with a simple molecular structure have low melting points and do not conduct electricity.
4 of 8
Why are metals good conductors of electricity?
.Metals are good conductors of electricity because they contain electrons that are free to move.
5 of 8
What is the approximate size of a typical nanoparticle?
50 nm
6 of 8
How many nanometres are there in a metre?
There are one billion nanometres in a metre.
7 of 8
Why are titanium dioxide nanoparticles used in sunblock creams?
They block ultraviolet light but do not reflect visible light.
8 of 8

Other cards in this set

Card 2

Front

In what physical state or states do ionic substances conduct electricity?

Back

liquid or dissolved in water

Card 3

Front

When a substance with a simple molecular structure boils, which bonds are broken?

Back

Preview of the front of card 3

Card 4

Front

Name a statements that is true of substances with a simple molecular structure?

Back

Preview of the front of card 4

Card 5

Front

Why are metals good conductors of electricity?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Structure and bonding resources »