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Dalton (unit): Measurement & History

The dalton (symbol: Da), or unified atomic mass unit (symbol: u), is a unit of mass defined as ⁠1/12⁠ of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state and at rest. The word "unified" emphasizes that the definition was jointly accepted by physics (IUPAP) and chemistry (IUPAC) organizations. The atomic mass…

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Dalton (unit) topic overview

The analysis highlights Measurement and History as prominent areas in the source structure around Dalton (unit).

Related topics
113
Source areas
5
Connected nodes
118
Extracted relationships
8
Concept neighborhoods
44
Bridge connections
118

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Usage · 31 topics
History · 27 topics
Measurement · 27 topics
Overview · 26 topics
Energy equivalents · 2 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Equal to
1.66053906892(52)×10−27 kg · 1 mu · 931.49410372(29) MeV/c2
Named after
John Dalton
Symbol
Da, u
Unit of
mass

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Usage

Energy equivalents

History

Measurement

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Dalton (unit) connects Entity context

The extracted context around Dalton (unit) shows recurring relationship patterns in the source. For example, Dalton (unit) → 1 mu, 1.66053906892(52)×10−27 kg, 931.49410372(29) MeV/c2 Another extracted example is Dalton (unit) → John Dalton. Use these groups to spot repeated connection types before inspecting the individual relationships.

Dalton (unit)

Top relations

Equal to · 3
Dalton (unit) → 1 mu, 1.66053906892(52)×10−27 kg, 931.49410372(29) MeV/c2
Named after · 1
Dalton (unit) → John Dalton
Symbol · 1
Dalton (unit) → Da, u
Unit of · 1
Dalton (unit) → mass

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

mass atomic unit da constant mole atom dalton value si carbon-12 physics definition avogadro number used one defined average 2019

Dalton (unit) relationships Subject–Predicate–Object triples

TTTA extracted 8 structured relationships around Dalton (unit). Examples in this analysis include Dalton (unit) → Equal to → 1.66053906892(52)×10−27 kg and Dalton (unit) → Equal to → 1 mu. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Dalton (unit)Equal to1.66053906892(52)×10−27 kg1.00infobox
Dalton (unit)Equal to1 mu1.00infobox
Dalton (unit)Equal to931.49410372(29) MeV/c21.00infobox
Dalton (unit)Named afterJohn Dalton1.00infobox
Dalton (unit)SymbolDa, u1.00infobox
Dalton (unit)Unit ofmass1.00infobox
wattinstance ofAs with other unit names0.80text
newtoninstance ofAs with other unit names0.80text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Dalton (unit) bring nearby vocabulary together. In this analysis, examples include Da, Unit and Symbol. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Dalton (unit)
    • Da
    • Unit
    • Symbol
    • Equal
    • Mass
    • Si
    • Unified
    • Units
    • Carbon-12
    • Atomic
    • Atom
    • Terms
  • dalton (unit)
    • Da
    • Unit
    • Symbol
    • Equal
    • Mass
    • Si
    • Unified
    • Units
    • Used
    • Carbon-12
    • Atomic
    • Name
  • mass
    • Unit
    • Constant
    • Average
    • Mu
    • Equal
    • Unified
    • Si
    • Molar
    • One
    • Expressed
    • Also
    • Symbol
  • atomic mass
    • Mass
    • Unit
    • Constant
    • Unified
    • Average
    • Dalton
    • Also
    • Mu
    • Defined
    • Equal
    • Carbon-12
    • Relative
  • planck constant
    • Avogadro
    • Mu
    • Value
    • Mass
    • Molar
    • Relative
    • Expressed
    • Mol
    • Unit
    • Si
    • Kilogram
    • Codata
  • avogadro number
    • Number
    • Constant
    • Mole
    • Value
    • Codata
    • Molar
    • Mol
    • Definition
    • Unit
    • Molecule
    • Da
    • Atoms
  • molar mass
    • Mol
    • Average
    • Molecule
    • Unit
    • Mu
    • Mole
    • Constant
    • One
    • Equal
    • Unified
    • Number
    • Relative
  • atom
    • Carbon-12
    • Mass
    • Defined
    • One
    • Da
    • Number
    • Unit
    • Dalton
    • Average
    • Equal
    • Molar
    • Atomic

Connections between topic areas Semantic bridges

For Dalton (unit), one of the stronger structural bridges in this analysis connects Dalton (unit) with Usage. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Dalton (unit)Usage · splits 87 ⟂ 32
Dalton (unit)History · splits 91 ⟂ 28
Dalton (unit)Measurement · splits 91 ⟂ 28
Dalton (unit)Overview · splits 92 ⟂ 27
Dalton (unit)Energy equivalents · splits 116 ⟂ 3

Map overview Semantic statistics

Dalton (unit)

Nodes119
Edges118
Triples8
Avg. degree1.98
Density0.016807
Components1

Source & methodology

TTTA analyzes the structure around Dalton (unit) to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Measurement & History, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Dalton (unit) · EN edition · Analysis: TopicsToTalkAbout

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