Please enable JavaScript.
Coggle requires JavaScript to display documents.
Biology Unit 1 - Coggle Diagram
Biology Unit 1
Bonds
Hydrogen bonds
Weakest
Opposite charges attract
Covalent bonds
Strongest
Ionic bonds
Weaker than covalent
Can dissolve in water
Molecules
Opposites attract
Like likes like
Non polar molecules cannot mix with water because water is a polar molecule (Hydrophobic)
Examples
Oil
Polar molecules can mix with water which is also a polar molecule (hydrophyllic)
Examples
Salt
Rubbing alcohol
Carbon
Everything that is alive has carbon molecules