Atomic Number Of Neon

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Explanation: The atomic number is the number of protons in the nucleus, so the atomic number is 10 (i.e. An atom of neon, Ne). The mass number is the total number of nucleons, which is the number of protons plus the number of neutrons. We're not given how many neutrons are in the atom, so we can't necessarily know this. Name: Neon Symbol: Ne Atomic Number: 10 Atomic Mass: 20.1797 amu Melting Point:-248.6 °C (24.549994 K, -415.48 °F) Boiling Point:-246.1 °C (27.049994 K, -410.98 °F) Number of Protons/Electrons: 10 Number of Neutrons: 10 Classification: Noble Gas Crystal Structure: Cubic Density @ 293 K: 0.901 g/cm 3 Color: colorless Atomic Structure.

  1. The Atomic Number Of Neon Is 10. Therefore It
  2. Atomic Number Of Neon 21
  3. The Atomic Number Of Neon
Atomic

Neon in the environment. Although neon is the forth most abundant element in the universe, only 0.0018% in volume of the earth's atmosphere is neon. Neon is usually found in the form of a gas with molecules consisting of a single Neon atom. Neon is a rare gas that is found in the Earth's atmosphere at 1 part in 65,000. Health effects of neon. Element Neon (Ne), Group 18, Atomic Number 10, p-block, Mass 20.180. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Number

Element Neon - Ne

Comprehensive data on the chemical element Neon is provided on this page; including scores of properties, element names in many languages, most known nuclides of Neon. Common chemical compounds are also provided for many elements. In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies.

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Overview of Neon

  • Atomic Number: 10
  • Group: 18
  • Period: 2
  • Series: Noble Gasses

Neon's Name in Other Languages

  • Latin: Neon
  • Czech: Neon
  • Croatian: Neon
  • French: Neon
  • German: Neon - r
  • Italian: Neo
  • Norwegian: Neon
  • Portuguese: Neônio
  • Russian: Неон
  • Spanish: Neón
  • Swedish: Neon
Neon

Atomic Structure of Neon

  • Atomic Radius: 0.51Å
  • Atomic Volume: 16.7cm3/mol
  • Covalent Radius: 0.71Å
  • Cross Section (Thermal Neutron Capture) σa/barns: 0.04
  • Crystal Structure: Cubic face centered
  • Electron Configuration:
    1s2 2s2p6
  • Electrons per Energy Level: 2,8
    Shell Model
  • Ionic Radius:
  • Filling Orbital: 2p6
  • Number of Electrons (with no charge): 10
  • Number of Neutrons (most common/stable nuclide): 10
  • Number of Protons: 10
  • Oxidation States: 0
  • Valence Electrons: 2s2p6
    Electron Dot Model

Chemical Properties of Neon

  • Electrochemical Equivalent:
  • Electron Work Function:
  • Electronegativity: N/A (Pauling); 4.84 (Allrod Rochow)
  • Heat of Fusion: 0.3317kJ/mol
  • Incompatibilities:
  • Ionization Potential
    • First: 21.564
    • Second: 40.962
    • Third: 63.45
  • Valence Electron Potential (-eV):

Physical Properties of Neon

The Atomic Number Of Neon Is 10. Therefore It

  • Atomic Mass Average: 20.1797
  • Boiling Point: 27.246K -245.904°C -410.6°F
  • Coefficient of lineal thermal expansion/K-1: N/A
  • Conductivity
    Electrical:
    Thermal: 0.000493 W/cmK
  • Density: 0.9g/L @ 273K & 1atm
  • Description:
    Colorless, odorless, tasteless noble gas.
  • Enthalpy of Fusion: 0.33 kJ/mole
  • Enthalpy of Vaporization: 1.71 kJ/mole
  • Flammablity Class:
  • Freezing Point:see melting point
  • Heat of Vaporization: 1.7326kJ/mol
  • Melting Point: 24.703K -248.447°C -415.205°F
  • Molar Volume: 16.8 cm3/mole
  • Optical Refractive Index: 1.000067
  • Physical State (at 20°C & 1atm): Gas
  • Specific Heat: 0.904J/gK

Regulatory / Health

  • CAS Number
    • 7440-01-9
  • OSHAPermissible Exposure Limit (PEL)
    • No limits set by OSHA
  • OSHA PEL Vacated 1989
    • No limits set by OSHA
  • NIOSHRecommended Exposure Limit (REL)
    • No limits set by NIOSH
  • Levels In Humans:
    Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances.
    • Blood/mg dm-3: trace
    • Bone/p.p.m: nil
    • Liver/p.p.m: nil
    • Muscle/p.p.m: nil
    • Daily Dietary Intake: n/a
    • Total Mass In Avg. 70kg human: n/a
  • Discovery Year: 1898
  • Name Origin:
    Greek: neos (new).
  • Abundance of Neon:
    • Earth's Crust/p.p.m.: 0.00007
    • Seawater/p.p.m.: 0.0002
    • Atmosphere/p.p.m.: 18
    • Sun (Relative to H=1E12): 3.72E+07
  • Sources of Neon:
    It can be prepared by liquification of air and separated from other elements by fractional distillation. Annual world production is around 1 ton.
  • Uses of Neon:
    In a vacuum tube, neon glows reddish orange, thus, the invention of the neon lights. Neon has also been used to make lightening arrestors, voltage detectors and TV tubes.
  • Additional Notes:
    While it is inert, there have been reports of it combining with fluorine. Neon may also form ions in combination with other noble gases (NeAr, HeNe, Ne2 and with hydrogen (NeH). It also forms an unstable hydrate, so it is not nearly as inert as one might think.

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References

A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

Related Resources

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  • Molar Mass Calculations and Javascript Calculator
    Molar mass calculations are explained and there is a JavaScript calculator to aid calculations.
  • Chemical Database
    This database focuses on the most common chemical compounds used in the home and industry.

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Kenneth Barbalace. Periodic Table of Elements - Neon - Ne. EnvironmentalChemistry.com. 1995 - 2021. Accessed on-line: 4/24/2021
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The Atomic Number Of Neon

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