tin
tin
fish and small reef sharks
brittle
Brittle is an attribute or property of a substance.
It is the property of the substance shattering or breaking due to an impact.
Consequently some metals are brittle as are some non-metals.
The brittle bluish-white metallic element you are referring to is most likely Bismuth (Bi). Bismuth is a chemical element with the atomic number 83 and is known for its distinctive bluish-white color. It is a brittle metal that can be easily broken or crumbled. Bismuth is also known for its low thermal and electrical conductivity. It is often used in various applications, including cosmetics, pharmaceuticals, and alloys.