Assertion: atom | /r/HasProperty | helium
Facets:
value: according to jefferson lab
type: OTHER
value: primarily
type: DEGREE
value: with 2 neutrons
type: OTHER
value: with 2 protons
type: OTHER
value: with a radius of 32 pm
type: OTHER
value: consequently
type: DEGREE
Source sentences:
text: An atom with two protons in its nucleus is Helium.
text: Consequently, the smallest atom is helium with a radius of 32 pm, while one of the largest is caesium at 225 pm.
text: If the atomic weight is 4.001, you can be confident the atom is helium, with 2 protons and 2 neutrons.
text: The earliest atoms were primarily hydrogen and helium , which are still the most abundant elements in the universe, according to Jefferson Lab .