van der waals forces
Pronunciation
Noun
C1 Advanced
Quick answer
Weak attractions between molecules caused by temporary shifts in their electron distribution, present to some degree between all particles.
Usage notes
These forces are much weaker than ionic or covalent bonds, but they still affect properties like boiling point.
Test yourself
Which word fits the gap? "_____ are weak on their own, but together they give a gecko enough grip to climb smooth glass."
Answer: van der waals forces
In your own words, what does "van der waals forces" mean?
Weak attractions between molecules caused by temporary shifts in their electron distribution, present to some degree between all particles.
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