Property talk:P2160

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mass excess
difference between its actual mass and its mass number in atomic mass units

Represents	mass excess (Q1571163)
Data type	Quantity
Template parameter	"excess_energy" in en:Modèle:Infobox isotope
Domain	nuclear isotope (note: this should be moved to the property statements)
Allowed units	kiloelectronvolt (Q28719934) or electronvolt (Q83327)
Example	carbon-12 (Q1058364) → 0 electronvolt deuterium (Q102296) → 13,135.72 kiloelectronvolt
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P2160 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 3,438 Main statement 3,436 >99.9% of uses Qualifier 2 <0.1% of uses

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Units: “kiloelectronvolt (Q28719934), electronvolt (Q83327)”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2160#Units

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P2160#Scope, hourly updated report, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2160#Entity types