It has a role as a member of food packaging gas and a neuroprotective agent.|A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used. Argon Basic Attributes ...
atomic massmass excessnuclear binding energynucleon separation energyQ-valuenucleon residual interaction parameterThis document is part of the Supplement containing the complete sets of data of Subvolume A 'Nuclei with Z = 1 - 54' of Volume 22 'Nuclear Binding Energies and Atomic Masses' of ...
Atomic number18[1] CAS number7440-37-1[1] Position in the periodic tableGroupPeriodBlock 18[1]3[1]p[1] Location of Argon on the Periodic Table Properties and Characteristics of Argon General Properties Relative atomic mass39.948[1]
The mass number of argon is 40.How many protons, neutrons and electrons are there in an argon atom? ( ) 相关知识点: 试题来源: 解析 一个氩原子有 18 个质子、22 个中子和 18 个电子。 1. 原子序数: 氩的原子序数为 18,这意味着它的原子核中有 18 个质子。 2. 质量数: 氩的质量数为 40...
Argon is also used in the iron and steel industry to prevent oxidation of molten metals and alloys and for degassing and desulphurization of molten steel and iron baths. FAQ 1. Q: What is the molar mass/atomic number/ atomic mass/formula of argon? A:The molar mass of the ...
Density, Hardness1.784 kg/m3(273 K), NA AppearanceColorless Atomic properties Atomic weight39.948 amu Atomic radius (calc.)no data (71 pm) Covalent radius97 pm van der Waals radius188 pm Electron configuration[Ne]3s23p6 e-'s per energy level2, 8, 8 ...
Geologically exceptional samples are known in which the isotopic composition lies outside the reported range. The uncertainty in the atomic mass may exceed the stated value for such specimens. Values marked # are not purely derived from experimental data, but at least partly from systematic trends....
Due to its high density, low Thermal conductivity, stable physical and chemical characteristics, Argon gas is widely used in science research, Metallurgy, Electronic, Illumination, Chemical industry, Atomic energy and National defense. Especially, high purity Argon gas is needed in Spectrometer, gas ...
39.984 g mol−1. Atomic diameter ∼3.04 Å. Melting point: 83.95 K. Boiling point: 87.29 K at 1 atm. Gas density 1.784 kg m−3at 1 atm and 237.15 K. Argon has the electron configuration 1s22s2p63s2p6and a first ionization potential of 15.759 eV. Its abundance in dry air is...
Fortunately, the molar mass allows one to relate several quantities that describe the amount of a substance, whether it is an element or compound. The molar mass, or sometimes called atomic mass or molecular weight, is defined to be the mass of a particular element or compound over 1 mole ...