en Helium
― HasA ⟶
Weight: 1.0
en an atomic weight of four Source: Open Mind Common Sense contributors socrates
en Helium
― HasA ⟶
Weight: 1.0
en an atomic number of two Source: Open Mind Common Sense contributors socrates
en Helium
― HasA ⟶
Weight: 1.0
en two electrons Source: Open Mind Common Sense contributors hawkeye