IB Biology A1.1 Definitions
This page contains our IB Biology definitions for A1.1. By learning each one of these definitions, you will fully cover the content for IB Biology 'Water'.
dipole
The presence of positive and negative poles in a molecule due to unequal sharing of electrons between atoms
hydrogen bonding
The strongest intermolecular force that only occurs between hydrogen and oxygen, nitrogen, or fluorine
polar molecule
A molecule with unequal covalent bonds between the atoms
Great Work!
You have now covered all of our topic 1 definitions for IB biology.
Now that you have completed these IB biology topic 1 definitions, dive into our topic 1 videos for the IB biology course.
IB biology topic 1 videos
Explored IB Biology?
Get stuck into one of our other subjects!
Join 85,000 students, across 130+ countries, in 500+ IB schools. That's half of the IB science graduates worldwide.
Start a 7d free trial