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In graph Frontier
PhysicsEstablished

Proton

A proton is a stable subatomic particle, symbol p, H+, or 1H+ with a positive electric charge of +1 e (elementary charge).

ProtonAtomic nucleusAtomNeutronRadioactive decayNuclear fissionNuclear binding energyMoleculeChemical compound

At a glance

Type
scale
Disciplines 1
Physics
Mental models 0
—
Role in the graph
Leaf concept

Key signals

Cross-disciplinary reach
Disciplines
1
  • Physics
Evidence & development

Dependencies

What this concept builds on and what it makes possible — derived from the atlas’s dependency, causal and structural relations, not from every related edge.

System context

Protonis part ofAtomic nucleusEstablished

Open Atomic nucleus →

proton is part of atomic nucleus.

Mechanism: Protons sit in the nucleus: their number sets which element the atom is and gives the nucleus its positive charge.

Sources:

Structural role & consequence

Interpreted from the current atlas graph — what the connections mean, not just how many there are.

  • Currently dark in the atlas: 1 of 1 of its relations lack claim-level evidence.

    atlas representation · Describes the current Thinking OS representation, not the state of the world.

  • Structural neighbourhood: 1 → 6 → 31 concepts reachable within 3 hops.

    structural · Structural reach — being reachable is not the same as being understood.

  • All 1 of its relationships stay within its own discipline — a field-specific concept in the current atlas.

    structural · Structural graph analysis — not a claim of importance, causation or history.

0%

cross-field
1 within-field, 0 cross-field

0 of 1 relations carry evidence · concept has a verified source

Strengths & constraints

Constraints

  • Evidence coverage currently thin in the atlas — few of its relationships carry claim-level evidence. atlas representation

Conditions

  • Read structurally — most of its relationships carry no external evidence yet, so claims here are graph-derived. structural

Seen through each discipline

How this concept sits in each of its fields — derived from its real connections in the graph, not asserted.

Physics

Through this lens it connects to Atomic nucleus.

Proton through the Physics lens →

Key dates

  1. 1920Discoveryproton: discovery recorded 1920. — Wikidata

Concepts that look related but are not yet connected here — candidates for a connection to reason about, not established links.

The scientific picture
  • Connects 1 other ideas across 1 discipline.
  • Most of its connections are of the “Kind & structure” kind.

Derived from the graph’s real structure — observations, not a score.

Sources