It depends on how thick
Fluorine
If you mean the elements in the Periodic Table it is carbon. If your talking about in general, diamond is by far the strongest element known to human.
There isn't a specific nature element chakra that is universally the strongest as strength can vary depending on individual abilities, training, and circumstances. Each element has its own unique strengths and weaknesses, and the effectiveness of a chakra can depend on how well it is utilized in combat or other situations.
The former.
compound
It is certainly a rare and highly radioactive element. To say it is the "strongest" might be a bit much.
iron
osmium
Fluorine
ice fang
ice beam
Kyorem i guess :)
Ice is a compound.
Maggie engels
The strongest intermolecular force between two molecules of water in ice is hydrogen bonding.
Diamond is a form of carbon, not an element. While diamond is one of the hardest naturally occurring materials, it is not the strongest overall. Materials like graphene and carbon nanotubes have higher tensile strength than diamond.
The woolly mammoth is the strongest animal in the ice age periods.