fr actinium k
― IsA ⟶
Weight: 1.0
fr francium (n) Source: French Wiktionary
fr francium
― IsA ⟶
Weight: 1.0
fr métal alcalin (n) Source: French Wiktionary
fr francium (n)
― IsA ⟶
Weight: 1.0
fr élément chimique Source: French Wiktionary