Learn what is argon. Understand argon properties, such as its melting point, see its formula on the periodic table, and explore its uses as a noble...
Atomic Number:18 Atomic Weight:39.948 Electron Configuration:1s22s2p63s2p6 Classification:Non-metal Group:Noble gases Number of Protons/Electrons:18 Isotops:Ar-36 (stable), Ar-37 (half-life 35 days), Ar-38 (stable), Ar-39 (half-life 269 years), Ar-40 (stable), Ar-41 (half-life 1.8...
Excessive inhalation of argon can result in loss of consciousness, vomiting, nausea, dizziness and even death if left untreated. In addition, exposure to rapidly expanding argon gas or cryogenic liquid can cause frostbite or burns.Key Properties...
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 (Ar) - Argon is a chemical element with the symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Know the Uses of Argon, Chemical Properties of Argon, Atomic Mass of Argon.
What are the properties of argon? Argon: Argon is one of the 118 known chemical elements. It's commonly used in lightbulbs and during welding. Argon has an atomic number of 18, which indicates that it there are 18 protons in the nucleus of one atom of argon. ...
Properties and Characteristics of Argon General Properties Relative atomic mass39.948[1] Atomic mass39.948 amu[1] Molar mass39.9480 g/mol[6] Molecular weight39.948 g/mol[7] Mass number40[8] Physical Properties ColorColorless[1, 4] Melting point/freezing point-189.34 °C, -308.81 °F[1] ...
Standard atomic weight Ar°(Ar) [39.792, 39.963] 39.95±0.16 (abridged)[1] Argon in the periodic table Atomic number (Z) 18 Group group 18 (noble gases) Period period 3 Block p-block Electron configuration [Ne] 3s2 3p6 Electrons per shell 2, 8, 8 Physical properties Phase at STP gas...
What are the properties of argon? What group is argon in? Why is argon a noble gas? What is the classification of argon? Is argon a pure substance? What is the atomic number for argon? What is the electron configuration for argon?
Element Properties atomic number 18 atomic weight [39.792, 39.963] melting point −189.2 °C (−308.6 °F) boiling point −185.7 °C (−302.3 °F) density (1 atm, 0° C) 1.784 g/litre oxidation state 0 electron config. 1s22s22p63s23p6The...