Assertion: nitrogen | /r/HasProperty | element
Facets:
Source sentences:
text: It cannot be broken down because it is a element.
text: Nitrogen is an element that can combine with itself or with other elements to make different compounds.
text: Nitrogen is an element is used to prevent things from reacting with the oxygen in the air.
text: Nitrogen has just one type of atom, so it is an element.
text: Nitrogen is an element and the gas is diatomic in other words the gas in the air is made of two atoms of nitrogen.
text: Nitrogen is an element and the gas is diatomic in other words the gas in the air is made of two atoms of nitrogen.