Assertion: boron | /r/HasProperty | element
Facets:
value: in 1824
type: TEMPORAL
Source sentences:
text: Boron is an element found naturally in leafy green vegetables like kale and spinach.
text: Boron is an element that occurs naturally.
text: Boron is an element that’s largely misunderstood, but its popularity continues to grow as more and more male enhancers and testosterone boosters use the element in their formulas.
text: Boron is an element found in nature.
text: Boron is an element found naturally in leafy green vegetables like kale and spinach.
text: Boron is an element and is classified as a metalloid, which is solid at room temperature.
text: Boron was considered to be an element in 1824.
text: Boron is an atom or element, and it contains protons, electrons, and neutrons.