Assertion: cobalt | /r/HasProperty | element
Facets:
Source sentences:
text: Cobalt is an element that is not found isolated in nature.
text: Cobalt is the element that makes up for the lack of stability of nickel, according to Umicore Chief Executive Marc Grynberg.
text: Cobalt is one of the elements that is very important to life, including human life and health.
text: After analysis of meteorites found on Earth, astronomers have discovered that cobalt is one of the many elements found in the meteors traveling trough the Universe.
text: Cobalt is an element used to make steel.
text: Cobalt (derived from German kobalt, from kobold, which means goblin) is an element only found in Earth's crust in chemically combined forms, save for small deposits of alloys from natural meteoric iron.
text: It is an element that has been used in jewelry since ancient times (mainly to create a cobalt blue pigment), and is not found isolated in nature.
text: Cobalt is an element, without which animals cannot function.
text: Cobalt, element 27, is a transition metal, and it is in Group 9 on the periodic table.