Specific conductance is the measurement of conductivity that is made at a temperature of 25° C. This is called the standardized method of achieving the conductivity. Ikey, i can't help you out with finding the web-sites, but i can give you some information about the trends across periodic table. so electrons are more free to conduct electricity as we … Favorite Answer. Element. Periodic. Ag is the element with the best normal room temperature electrical conductivity and there are metals on either side of it on the periodic table with lower conductivity. Answer Save. and as you move across a period, elements ELECTRO-NEGATIVITY ( the tendency of the element to gain or absorb one or more ELECTRONS ) increases. Relevance. So this means Na is more electron hungry than Mg , and Mg than Al . Periodic table. PLAY. Angstrom Science provides an elements electrical conductivity reference table to help users with data regarding sputtering technology and magnetrons. It is these "free electrons" that allow metals to conduct an electric current. The reciprocal of resistance is called Electrical Conductance. 4 Answers. Periodic table definitions. metallic character order - Na>Mg>Al. 1 decade ago. why ? Diamond electrical conductivity is approximately 0.001. As the temperature of the water affects the conductivity reading, reporting the conductivity at about 25° C allows the data to be compared easily. The delocalized electrons in metal give rise to electrical and thermal conductivity. The atoms of metal elements are characterized by the presence of valence electrons, which are electrons in the outer shell of an atom that are free to move about. because as you move Cross … Jump to navigation. Electrical conductivity in metals is a result of the movement of electrically charged particles. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure.The chemical symbol for Hydrogen is H. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Is it something to do with the electrons? relating to the periodic table of the elements or the pattern of chemical properties that underlies it. DK. Cu and Au (in same column) are very good conductors as well. STUDY. Up to date, curated data provided by Mathematica 's ElementData function from Wolfram Research, Inc. Click here to buy a book, photographic periodic table poster, card deck, or 3D print based on the images you see here! The most important property of metals is their ability to conduct electricity. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. 40 South Linden Street - Duquesne, PA 15110 - USA Phone: +1-412-469-8466 - Fax: +1-412-469-8511 . as you move across a period, elements become more REACTIVE. Electrical Conductance with Definition and Measurement. a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns. Why does electrical conductivity increase across the periodic table from sodium to magnesium to aluminium?