Assertion: iodine | /r/HasProperty | the heaviest element
Facets:
value: at atomic number
type: OTHER
Source sentences:
text: Iodine is an essential element for life and, at atomic number Z = 53, is the heaviest element commonly needed by living organisms.
text: Iodine is a micronutrient and dietary mineral that is naturally present in the food supply in some regions, especially near sea coasts, but is generally quite rare in the Earth's crust, since iodine is a so-called heavy element, and abundance of chemical elements generally declines with greater atomic mass.
text: Iodine is one of the heaviest elements needed by living things.
text: Iodine is the heaviest essential element and has an atomic number of 53.
text: It is the heaviest element which is essential for life, being used by the thyroid gland in higher animals to synthesize life-sustaining hormones, the most significant being thyroxin.