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- -268.9°C
- According to 4 sources
Helium | Definition, Properties, Uses, & Facts | Britannica
helium (He), chemical element, inert gas of Group 18 (noble gases) of the periodic table. The second lightest element (only hydrogen is lighter), helium is a colourless, odourless, and tasteless gas that becomes liquid at −268.9 °C (−452 °F). The boiling and freezing points of helium are lower than those of any other … See more
- Helium was discovered in the gaseous atmosphere surrounding the Sun by the …
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- Helium constitutes about 23 percent of the mass of the universe and is thus second in abundance to hydrogen in the cosmos. …
- The nucleus of every helium atom contains two protons, but, as is the case with all elements, isotopes of … See more
- Helium gas (98.2 percent pure) is isolated from natural gas by liquefying the other …
- Helium is used as an inert-gas atmosphere for weldi… See more
- Helium-4 is unique in having two liquid forms. The normal liquid form is called h…
- A liquid mixture of the two isotopes helium-3 and helium-4 separates at temperatur…
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Helium - Wikipedia
Helium (from Greek: ἥλιος, romanized: helios, lit. 'sun') is a chemical element; it has symbol He and atomic number 2. It is a colorless, odorless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements, and it does not have a melting point at standard pressures. It is the second-lightest and second most abundant element in …
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Helium - Element information, properties and uses | Periodic Table
At minus 269 degrees centigrade, liquid helium has the lowest boiling point of any substance. Because of this, it is used to provide the low temperatures needed for superconducting …
Helium – Boiling Point - Periodic Table of Elements
Nov 20, 2020 · Boiling point of Helium is -268.9°C. The boiling point of a substance is the temperature at which this phase change (boiling or vaporization) occurs.
Helium - Thermophysical Properties - The Engineering ToolBox
Oct 22, 2008 · Helium - Density and Specific Weight vs. Temperature and Pressure Online calculator, figures and tables showing density and specific weight of helium, He, at varying …
Helium (He) - Atomic Number 2 - breakingatom.com
Dec 30, 2019 · What is the Boiling Point for Helium? Helium has a Boiling Point of -268.9°C, meaning at -268.9°C it will turn to a Gas. What is the Electronegativity of Helium?
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Helium (He) - Chemical Elements.com
Name: Helium Symbol: He Atomic Number: 2 Atomic Mass: 4.002602 amu Melting Point:-272.0 °C (1.15 K, -457.6 °F) Boiling Point:-268.6 °C (4.549994 K, -451.48 °F) Number of …
Helium – Periodic Table
Nov 21, 2020 · Helium – Melting Point and Boiling Point. Melting point of Helium is -272.2°C. Boiling point of Helium is -268.9°C. Note that, these points are associated with the standard atmospheric pressure. Boiling Point. In general, …
Helium | Elements - RSC Education
Atom number: 2; atomic weight: 4.0026; melting point: -272 °C (0.95 K); boiling point: -269 °C (4.2 K). Helium is the lightest of the noble gases, and heads Group 18 of the Periodic Table. It is colourless, odourless, and chemically unreactive.
Helium – Melting Point – Boiling Point - Nuclear …
Nov 26, 2021 · Boiling point of Helium is -268.9°C. Note that these points are associated with the standard atmospheric pressure. Boiling Point – Saturation. In thermodynamics, saturation defines a condition in which a mixture of vapor …
Chemistry of Helium (Z=2) - Chemistry LibreTexts
Jun 30, 2023 · Helium is colorless, odorless, and tasteless. It has a very low boiling point, and is monatomic. Helium is small and extremely light, and is the least reactive of all elements; it …
Boiling – Melting Point – Thermal Conductivity - Material Properties
Melting point of Helium is -272.2°C. Boiling point of Helium is -268.9°C. Note that, these points are associated with the standard atmospheric pressure. Thermal conductivity of Helium is 0.1513 …
What is the boiling point of liquid helium in Celsius? - Answers
Jun 2, 2024 · Boiling point is a physical property that describes the temperature at which a substance changes from a liquid to a gas. In the case of helium, its boiling point is very low at …
Helium - Properties and Data - ChemLin
Helium is the chemical element with the symbol He and atomic number 2. It is a colourless, odorless and tasteless noble gas found in the second main group and first period of the …
Helium - Chemistry Encyclopedia - gas - Chemistry Explained
MELTING POINT: −272.2°C—does not solidify under its own vapor BOILING POINT: −268.93°C DENSITY: 0.1785 g/L MOST COMMON IONS: None Helium, a colorless gas at room …
What is the boiling point of helium in celsius? - Answers
May 26, 2024 · The melting point of helium is -272.2 degrees Celsius, and the boiling point is -268.9 degrees Celsius. Helium is a unique element because it remains a liquid at very close …
What is the melting point and the boiling point of helium?
May 27, 2024 · What is helium's melting or boiling point? Helium's melting point is -272.2 degrees Celsius and its boiling point is -268.9 degrees Celsius.
What is Helium – Properties of Helium Element - Nuclear Power …
Nov 26, 2021 · Helium – Melting Point and Boiling Point. Melting point of Helium is -272.2°C. Boiling point of Helium is -268.9°C. Note that these points are associated with the standard …
Chemical data for He - Helium | PhysLink.com
Chemical properties of the element: He - Helium. Includes the atomic number, atomic weight, crystal structure, melting point, boiling point, atomic radius, covalent radius, and more. | …
What is the boiling and melting point of helium? - MassInitiative
Feb 28, 2020 · Melting point of Helium is -272.2°C. Boiling point of Helium is -268.9°C. What is the boiling point of Xe? Why does boiling point increase down Group 0? The densities, melting …
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