Assertion: magnesium | /r/HasProperty | metallic element
Facets:
value: at the center of chlorophyll
type: LOCATION
value: technically
type: MANNER
Source sentences:
text: If you remember anything from high school chemistry, you might know that magnesium is technically a metallic element.
text: Magnesium is also the metallic ion at the center of chlorophyll, and is thus a common additive to fertilizers.
text: Magnesium is a metallic element mainly found in the bones and is essential to life.