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Free Moscovium student datasheetPrintable revision sheet with identity, structure, evidence notes, phase behavior, uses, isotopes and review prompts.
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Instant reference

Moscovium atomic number, mass, electron configuration and key properties

Atomic number
115
Relative atomic mass
[289]
Electron configuration
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³ · predicted/reference
Group
15
Density
Unknown
Melting point
Unknown
Boiling point
Unknown
Bulk crystal structure
Unknown
ClassificationSynthetic superheavy element · Group 15
Reference isotope²⁸⁹Mc
State contextOnly atom-at-a-time evidence · bulk state unmeasured
Evidence noteMoscovium’s atomic number, synthesis/discovery record and isotope/decay evidence are experimental. The displayed electron configuration is a reference prediction/assignment in a strongly relativistic regime. Macroscopic density, melting point, boiling point and crystal structure remain unknown and are intentionally not invented.
Quick answers

Moscovium: quick answers

How many protons, neutrons and electrons does moscovium have?

Moscovium’s atomic number is 115, so every moscovium atom has 115 protons, and a neutral atom also has 115 electrons. Moscovium has no stable isotopes, so the number of neutrons depends on which isotope you mean.

What is the symbol for moscovium?

The chemical symbol for moscovium is Mc.

Is moscovium a solid, liquid or gas at room temperature?

Moscovium has only been made a few atoms at a time, so its state at room temperature is unknown.

What family (group) is moscovium in?

Moscovium is a post-transition metal (predicted), in group 15, period 7 of the periodic table.

Connect the facts

From atomic number to chemistry

Read these as a chain of causes, not as isolated facts. Each step links to the concept hub if you want the underlying idea explained.

Common misconceptionMoscovium is not a measured bulk “heavy bismuth.” Group 15 placement is real, but density, melting point, boiling point and crystal structure remain experimentally unknown.
Periodic-table position

Moscovium in its period and family

Moscovium is placed in Group 15, Period 7 below bismuth. Periodic position provides a starting framework, but the 7p shell is strongly affected by relativistic spin-orbit physics and there is too little chemical evidence to copy bismuth’s bulk properties downward.

Interactive Visual Lab

Moscovium Visual Lab

Decode moscovium’s tile, inspect a ²⁸⁹Mc teaching nucleus, view qualitative 7s/7p probability models with explicit prediction caveats, leave the material structure unknown, and connect the element to Dubna-led discovery, international collaboration and the limits of periodic extrapolation.

Overview · structure · orbitals · real world
How to read an element tile

Every mark points to one exact feature

1115 2[289] 3Mc 4[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³ · reference prediction 5Moscovium 6Bulk crystal structure unknown 7Only atom-at-a-ti…
1Atomic numberNumber of protons
2Relative atomic massStandard value or bracketed reference mass
3Chemical symbolMc
4Electron configurationGround-state shorthand or evidence-labelled prediction
5Element nameMoscovium
6Structure contextBulk crystal structure unknown
7Physical-state contextOnly atom-at-a-time evidence · bulk state unmeasured

The numbered markers explain the same information system used throughout Element Lookup. Unknown or predicted fields remain visibly labelled rather than being replaced with guesses.

Five things worth remembering

Moscovium in one minute

01

Atomic number 115 means every moscovium nucleus contains 115 protons.

02

Moscovium is synthetic and highly radioactive; only small numbers of atoms have been made.

03

The commonly cited ground-state configuration [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³ is a reference prediction/assignment for an atom in a strong relativistic regime.

04

No measured macroscopic melting point, boiling point, density or crystal structure exists.

05

IUPAC approved the name moscovium (Mc) in 2016, honoring the Moscow region associated with the Joint Institute for Nuclear Research.

Atomic structure teaching model

²⁸⁹Mc nucleus · neutral Mc

115 p⁺ · 174 n⁰
Nucleus modelNucleon-count teaching view
115 p⁺ + 174 n⁰²⁸⁹Mc · schematic nucleus, not a literal nuclear geometry
Electron-count schematicPrincipal-shell populations

Shell rings organize electron counts. They are not electron trajectories or orbital shapes.

Nucleus, shell count and material structure are deliberately separated so one picture is not mistaken for another.
Connect picture → chemistry

2 · 8 · 18 · 32 · 32 · 18 · 5 electrons

n=12
n=28
n=318
n=432
n=532
n=618
n=75
Why this electron pattern matters

These 7s and 7p clouds are qualitative nonrelativistic teaching references for an isolated atom. The p orientation control changes the axis of the same angular form. For element 115, strong spin-orbit splitting and many-electron relativistic effects are essential, so the viewer must not be interpreted as a measured orbital image or complete relativistic wavefunction.

Teaching boundary: the nucleus uses colored spheres to make proton/neutron counts visible; the shell diagram only summarizes principal-shell populations. Neither is a literal picture of electron motion.
Material / molecular structure viewer

Bulk crystal structure unknown

No macroscopic moscovium sample exists; Element Lookup does not invent a crystal lattice
Bulk crystal structure unknownNo macroscopic moscovium sample exists; Element Lookup does not invent a crystal lattice
What are you seeing?

No macroscopic moscovium sample exists; Element Lookup does not invent a crystal lattice. The viewer is evidence-aware: measured structures are identified as such; unknown bulk structures stay unknown.

Teaching visualization; not a literal finite sample or thermal trajectory.
Probability-cloud teaching model

7s orbital

One-electron teaching approximation; dots represent sampled probability density, not individual electrons.
Interpretation

What this model does—and does not—show

These 7s and 7p clouds are qualitative nonrelativistic teaching references for an isolated atom. The p orientation control changes the axis of the same angular form. For element 115, strong spin-orbit splitting and many-electron relativistic effects are essential, so the viewer must not be interpreted as a measured orbital image or complete relativistic wavefunction.

Important: The cloud includes the expected nodal pattern for the named nonrelativistic orbital where applicable. Phase colors are not electric charge. For heavy and superheavy elements, relativistic/many-electron effects make these only teaching approximations.
Real-world archive

Where do I meet moscovium?

Clickable learning cards connect the element to materials, environment, technology, biology or research - depending on what the evidence actually supports.

Atom
Superheavy research

Superheavy research

Moscovium exists as an atom-at-a-time research subject used to test nuclear models and the limits of the periodic table.

2000sExperiments at the Joint Institute for Nuclear Research and collaborating US laboratories produced nuclei assigned to element 115.
2015IUPAC recognized the discovery claim for element 115.
2016IUPAC formally approved the name moscovium and symbol Mc.
TodayResearch focuses on nuclear properties, decay chains and theoretical predictions of superheavy-element chemistry.
Evidence principleMoscovium’s atomic number, synthesis/discovery record and isotope/decay evidence are experimental. The displayed electron configuration is a reference prediction/assignment in a strongly relativistic regime. Macroscopic density, melting point, boiling point and crystal structure remain unknown and are intentionally not invented.
Signature science

Evidence ladder: nuclear facts → atomic predictions → unknown bulk matter

Moscovium is a strong test of scientific honesty because different layers of the page have very different evidence strength.

Evaluated

Nuclear identity

Production and decay-chain observations establish element/isotope evidence.

Reference properties

Moscovium properties: atomic, physical, thermal and chemical

Categories follow the science of this element rather than a fixed decorative template. Each row carries condition/provenance context and an evidence label; unknown values stay unknown.

PropertyValueContext / provenanceEvidence
Atomic number115Source-reviewed; see Sources belowEvaluated
Relative atomic mass[289]Source-reviewed; see Sources belowEvaluated
²⁸⁹McSynthetic · short-livedA key isotope associated with moscovium reference data; no natural abundance exists.Evaluated
²⁸⁸McSynthetic · very short-livedRSC lists an approximate sub-second half-life for this isotope; evaluated values can be updated as nuclear data improve.Evaluated
Moscovium isotope familyNo stable isotopesAll known moscovium isotopes are synthetic and radioactive, so isotope-specific nuclear evidence is central.Evaluated
PropertyValueContext / provenanceEvidence
Ground-state electron configuration[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³ · reference predictionSource-reviewed; see Sources belowPredicted
Group / period / blockGroup 15 · Period 7 · p-blockPeriodic-table placementEvaluated
ElectronegativityUnknownSource-reviewed; see Sources belowUnknown
Common oxidation statesBulk/common states not experimentally establishedSource-reviewed; see Sources belowUnknown
PropertyValueContext / provenanceEvidence
²⁸⁹McSynthetic · short-livedA key isotope associated with moscovium reference data; no natural abundance exists.Evaluated
²⁸⁸McSynthetic · very short-livedRSC lists an approximate sub-second half-life for this isotope; evaluated values can be updated as nuclear data improve.Evaluated
Moscovium isotope familyNo stable isotopesAll known moscovium isotopes are synthetic and radioactive, so isotope-specific nuclear evidence is central.Evaluated
Teaching nucleus²⁸⁹Mc · 115 protons + 174 neutronsReference isotope used in the nucleus modelReviewed
PropertyValueContext / provenanceEvidence
Current useScientific research onlyNo commercial bulk use is implied.Reviewed
GeographyDiscovery, naming and research context onlyNo natural-resource map is appropriate.Reviewed
Safety boundaryNon-operational educational contextNo synthesis settings or material-access guidance.Reviewed
PropertyValueContext / provenanceEvidence
DensityUnknownSource-reviewed; see Sources belowUnknown
Material / molecular structureBulk crystal structure unknownNo macroscopic moscovium sample exists; Element Lookup does not invent a crystal latticeUnknown
Melting / transition referenceUnknownSource-reviewed; see Sources belowUnknown
Boiling / gas referenceUnknownSource-reviewed; see Sources belowUnknown
Common oxidation statesBulk/common states not experimentally establishedSource-reviewed; see Sources belowUnknown
PropertyValueContext / provenanceEvidence
Page evidence noteMoscovium’s atomic number, synthesis/discovery record and isotope/decay evidence are experimental. The displayed electron configuration is a reference prediction/assignment in a strongly relativistic regime. Macroscopic density, melting point, boiling point and crystal structure remain unknown and are intentionally not invented.Evidence summary for this guideReviewed
Structure evidenceNo macroscopic moscovium sample exists; Element Lookup does not invent a crystal latticeMeasured structure, labelled schematic, prediction or explicit unknown as applicable.Reviewed
Map evidence ruleReal pins are reviewed examples; conceptual layers are used when pins would mislead.Geography Explorer 2.0Reviewed
Source set3 primary/reference links listed belowOpen the Sources section for the actual references.Reviewed
Temperature explorer

Is Moscovium a solid, liquid or gas? State at temperature

No macroscopic moscovium sample exists, so accepted experimental melting, boiling and bulk phase boundaries are unavailable. The temperature control is therefore an evidence-context track only; it shows a 293 K reference without fabricating solid-liquid-gas transitions.

Temperature293 K
Move the slider
The shared site-wide phase model controls the track, markers and readout.
Geography and evidence

Where on Earth is Moscovium found or produced?

World map
Dubna + US collaboratorsIUPAC discovery context · discovery era
Discovery and history

Who discovered Moscovium, and when?

2000s

Experiments at the Joint Institute for Nuclear Research and collaborating US laboratories produced nuclei assigned to element 115.

2015

IUPAC recognized the discovery claim for element 115.

2016

IUPAC formally approved the name moscovium and symbol Mc.

Today

Research focuses on nuclear properties, decay chains and theoretical predictions of superheavy-element chemistry.

Process / synthesis context

How moscovium is studied: safe, high-level research context

1

Superheavy-element experiments create very small numbers of nuclei in specialized accelerator facilities.

2

Detectors record decay signatures that help researchers connect parent and daughter nuclei and evaluate element identification.

3

Because the atoms are few and short-lived, ordinary bulk-property measurements such as density or melting point are not available.

4

Element Lookup intentionally omits target preparation, beam settings, cross-section optimization and other operational synthesis instructions; the focus is evidence interpretation.

Safety boundary: Moscovium synthesis and radioactive-material work belong to specialized licensed research. This page is intentionally non-operational and does not provide accelerator settings, target preparation, isotope-separation or other synthesis instructions.
Real-world applications

What is moscovium used for?

Fundamental nuclear science

Moscovium helps test models of superheavy nuclei and radioactive decay.

Periodic-table research

The element extends Group 15 and provides a demanding test of relativistic electronic-structure predictions.

Discovery-method science

Its evidence illustrates how decay chains and international review establish the identity of superheavy elements.

No commercial uses

Only research uses exist because so few short-lived atoms have been produced.

Isotopes

Moscovium isotopes and natural abundance

²⁸⁹Mc

Synthetic · short-lived

A key isotope associated with moscovium reference data; no natural abundance exists.

²⁸⁸Mc

Synthetic · very short-lived

RSC lists an approximate sub-second half-life for this isotope; evaluated values can be updated as nuclear data improve.

Moscovium isotope family

No stable isotopes

All known moscovium isotopes are synthetic and radioactive, so isotope-specific nuclear evidence is central.

Learn it, don’t just read it

Five-question Moscovium check

What is moscovium’s atomic number?

Which statement about its bulk crystal structure is correct?

What is moscovium currently used for?

What does Group 15 placement tell us?

Why is the temperature track marked unknown?

Questions answered

Moscovium questions students commonly ask

Each answer starts with the direct fact, then explains the chemistry, evidence or material context so the result is understandable rather than merely memorized.

What is moscovium?

Short answer: Moscovium is synthetic chemical element 115, symbol Mc, in Group 15.

Atomic number 115 means every moscovium nucleus contains 115 protons. In the periodic table, Moscovium is classified here as a synthetic superheavy element · group 15 in Period 7 and Group 15. Moscovium is placed in Group 15, Period 7 below bismuth. Periodic position provides a starting framework, but the 7p shell is strongly affected by relativistic spin-orbit physics and there is too little chemical evidence to copy bismuth’s bulk properties downward.

Key point: Mc is element 115; its periodic position and electron structure explain the rest of the page.

What is moscovium used for?

Short answer: Only scientific research. It has no commercial or everyday use.

Fundamental nuclear science: Moscovium helps test models of superheavy nuclei and radioactive decay. Periodic-table research: The element extends Group 15 and provides a demanding test of relativistic electronic-structure predictions. Group 15 placement is real, but moscovium is not simply ‘very heavy bismuth.’ Strong relativistic effects and atom-at-a-time evidence mean predicted electron structure must be separated clearly from measured nuclear facts and unknown bulk properties.

Key point: Always distinguish the pure element from the compound, alloy, isotope or device material that actually performs the application.

What does moscovium look like?

Short answer: No macroscopic sample has been produced, so a measured bulk appearance is not available. Metallic-looking illustrations are predictions or artistic conventions, not photographs of bulk moscovium.

The ordinary elemental-material description used here is: Only atom-at-a-time evidence · bulk state unmeasured. No macroscopic moscovium sample exists; Element Lookup does not invent a crystal lattice.

Key point: Elemental appearance can differ from the colors of its ions, compounds, oxide films or host materials.

Is moscovium a metal?

Short answer: It is generally predicted/classified as a superheavy metallic element, but bulk metallic properties have not been measured. Element Lookup labels that distinction explicitly.

This guide classifies Moscovium as a synthetic superheavy element · group 15. Its periodic position is Period 7, p-block, Group 15. Moscovium is placed in Group 15, Period 7 below bismuth. Periodic position provides a starting framework, but the 7p shell is strongly affected by relativistic spin-orbit physics and there is too little chemical evidence to copy bismuth’s bulk properties downward.

Key point: Periodic-table classification describes recurring atomic/chemical behavior; it does not make every element in a column physically identical.

Who discovered moscovium?

Short answer: The discovery claim involved the Joint Institute for Nuclear Research in Dubna with US collaborators including Lawrence Livermore and Oak Ridge; IUPAC recognized the claim and approved the name in 2016.

In the 2000s, Experiments at the Joint Institute for Nuclear Research and collaborating US laboratories produced nuclei assigned to element 115. In 2015, IUPAC recognized the discovery claim for element 115.

Key point: Discovery credit follows the historical evidence and accepted attribution, not just the earliest claim.

What is moscovium’s electron configuration?

Short answer: A commonly used reference prediction is [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³, but relativistic effects are strong and this is not a directly imaged electron cloud.

The neutral-atom ground-state reference used on this page is [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³ · reference prediction. This is an isolated-atom reference: bonding and ion formation can change which outer electrons are present or chemically active. The listed common oxidation-state context is Bulk/common states not experimentally established, which helps connect the atomic configuration to ordinary chemistry without treating electron counting as a single universal rule.

Key point: Electron configuration is a ground-state atomic reference, not a literal picture of every compound.

Scientific sources and provenance

Scientific sources for Moscovium

Evidence rule: Moscovium’s atomic number, synthesis/discovery record and isotope/decay evidence are experimental. The displayed electron configuration is a reference prediction/assignment in a strongly relativistic regime. Macroscopic density, melting point, boiling point and crystal structure remain unknown and are intentionally not invented.
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