eka-boron

E368729

Eka-boron is the provisional name Mendeleev used for the then-undiscovered element later identified as scandium, predicted by its position beneath boron in his periodic table.

All labels observed (1)

Label Occurrences
eka-boron canonical 1

How this entity was disambiguated

Statements (31)

Predicate Object
instanceOf hypothetical chemical element ⓘ
provisional element name ⓘ
alsoKnownAs eka boron ⓘ
ekaboron ⓘ
atomicNumberOfCorrespondingElement 21 ⓘ
category Mendeleev eka-elements ⓘ
coinedBy Dmitri Mendeleev ⓘ
correspondingElementDiscoveredBy Lars Fredrik Nilson ⓘ
correspondingElementDiscoveredIn 1879 ⓘ
correspondsToElement scandium ⓘ
discoveryConfirmedBy discovery of scandium ⓘ
field chemistry ⓘ
groupInPeriodicTable group 3 ⓘ
meaningOfName one below boron in the periodic table ⓘ
modernElementName scandium ⓘ
namedAccordingTo Mendeleev eka-notation ⓘ
linked to: Dmitri Mendeleev
notIdenticalTo boron ⓘ
scandium ⓘ
periodInPeriodicTable period 4 ⓘ
positionInPeriodicTable beneath boron ⓘ
predictedBy Dmitri Mendeleev ⓘ
predictedIn 1869 ⓘ
predictedUsing periodic law ⓘ
periodic table ⓘ
relatedConcept prediction of elements from periodic trends ⓘ
replacedBy name scandium ⓘ
significance supported validity of Mendeleev’s periodic law ⓘ
status superseded name ⓘ
symbolOfCorrespondingElement Sc ⓘ
usedIn historical development of the periodic table ⓘ
wasUndiscoveredAtTimeOfPrediction true ⓘ

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.