# what is the atomic mass of cesium

The gram atomic mass of cesium is 132.905 and that of nitrogen is 14.0067. = 55 , ATOMIC MASS = 132.90543(5) , MELTING POINT (C)= 28.40±0.01 , BOILING POINT (C) = 669.3FRANCIUM:- Francium is a chemical elemen… On the atomic scale, physicists have found that quantum mechanics describes things very well on that scale. Weights of atoms and isotopes are from NIST article. 133 is the answer, because the atomic number is the number of protons in an atom, and the mass is the number of protons plus the number of neutrons. The nuclear density is 2×1017 kg/m3. Cesium is a chemical element with symbol Cs and atomic number 55. The ground state electronic configuration of neutral caesium is [Xe].6s 1 and the term symbol of caesium is 2 S 1/2.. Caesium: description Your user agent does not support the HTML5 Audio element. The electronic configuration of the elements determines the way in which the electrons are structured in the atoms of an element. The atomic radius of a chemical element is a measure of the distance out to which the electron cloud extends from the nucleus. The atomic mass is the mass of an atom. Feel free to ask a question, leave feedback or take a look at one of our articles. It must be noted, atoms lack a well-defined outer boundary. 20 terms. The name is derived from a Latin word Caesius which means sky blue, as it burns with a blue flame. Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance. If an atom of cesium has 78 neutrons, what is the atomic mass of cesium? The volume of an atom is about 15 orders of magnitude larger than the volume of a nucleus. Assuming spherical shape, the uranium atom have volume of about  26.9 ×10−30 m3. Sorry!, This page is not available for now to bookmark. = 55 , ATOMIC MASS = 132.90543(5) , MELTING POINT (C)= 28.40±0.01 , BOILING POINT (C) = 669.3FRANCIUM:- Francium is a chemical elemenâ¦ Cesium is utilized in producing optical glasses and other optical instruments. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. Note: Learn more about the atomic radius here. and 55+78 is 133. \$9.99. Classified as a n alkali metal, Cesium is a solid at room temperature. The melting point of Cesium is at 28.4 °C (83.1 °F), directly above room temperature. See also: Atomic Mass Number – Does it conserve in a nuclear reaction? Molar mass of Cs = 132.90545 g/mol. This name has been derived from a Latin word Caesius which means sky blue, as it ignites with blue fire. Atomic Mass of Caesium Atomic mass of Caesium is 132.9055 u. Anyone can be able to come here, learn the basics of materials science, material properties and to compare these properties. âºâºCaesium Chloride molecular weight. Pro Lite, Vedantu Xenon – Periodic Table – Atomic Number – Mass – Radius – Density, Lanthanum – Periodic Table – Atomic Number – Mass – Radius – Density. The melting point of the Cesium is 83.3 degrees Fahrenheit. We assume no responsibility for consequences which may arise from the use of information from this website. Periodic Table. Cesium is used in atomic clocks, which are accurate to 5 s in 300 years. As the thickness of Cesium is high, cesium chloride, cesium sulfate are generally utilized in molecular biology. The Van der Waals radius, rw, of an atom is the radius of an imaginary hard sphere representing the distance of closest approach for another atom. The density of Hassium results from its high atomic weight and from the significant decrease in ionic radii of the elements in the lanthanide series, known as lanthanide and actinide contraction. The properties of Cesium are explained by dividing them into two main categories. The first one is the fission of uranium in fuel rods in nuclear power plants and second by the explosion of nuclear weapons. If a sample of cesium containing only 133Cs (132.905 amu) and 135Cs (134.906 amu) has an average atomic mass of 134.3, what is the percent abundance of 133Cs in the sample? If an atom of cesium has 78 neutrons, what is the atomic mass of cesium? 2) You may not distribute or commercially exploit the content, especially on another website. Rising temperatures make the liquid expand in a liquid-in-tube thermometer and bend bimetallic strips. These are: They are not harmful to life and also don’t have any biological importance. The atomic number of cesium (Cs) is 55. WS87 Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Atomic cesium is employed in the worldâs time standard, the cesium clock.