It is probable that both gold and silver were used as money by 800 bce in all countries between the Indus and the Nile. The chemical symbol for Strontium is Sr. Strontium is an alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. The chemical symbol for Copper is Cu. It is a synthetic element (first synthesised at Hasse in Germany) and radioactive. The nucleus is composed of protons and neutrons. ***Detail does not add to total given because of rounding. Silver is similar in its physical and chemical properties to its two vertical neighbours in group 11 of the periodic table, copper and gold. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. The chemical symbol for Nobelium is No. The bulk properties of astatine are not known with any certainty. The chemical symbol for Fluorine is F. Fluorine is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. The chemical symbol for Yttrium is Y. Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a “rare-earth element”. Lutetium is the last element in the lanthanide series, and it is traditionally counted among the rare earths. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. Chemical properties of silver include that it doesn’t react with gases like oxygen and nitrogen. For atoms with many electrons, this notation can become lengthy and so an abbreviated notation is used. Thulium is the thirteenth and third-last element in the lanthanide series. A liquid at high pressure has a higher boiling point than when that liquid is at atmospheric pressure. The chemical symbol for Nitrogen is N. Nitrogen is a colourless, odourless unreactive gas that forms about 78% of the earth’s atmosphere. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Göhring, Otto and Fajans, Kasimir. Bromine is a chemical element with atomic number 35 which means there are 35 protons and 35 electrons in the atomic structure. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. …stocks of precious metal, especially silver, into the money supply. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. As with boiling points, the melting point of a solid is dependent on the strength of those attractive forces. Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure. The chemical symbol for Fermium is Fm. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. The Physical properties of Silver are the characteristics that can be observed without changing the substance into another substance. The iodide is also used in the manufacture of photographic papers and films, as well as in cloud seeding for artificial rainmaking and in some antiseptics. The Physical Properties of Silver are as follows: It is by mass the most common element on Earth, forming much of Earth’s outer and inner core. Number of isot… Physical properties are usually those that can be observed using our senses such as color, luster, freezing point, boiling point, melting point, density, hardness and odor. Silver compounds include silver chloride (AgCl), silver bromide (AgBr), and silver iodide (AgI). Lanthanum is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. Ring in the new year with a Britannica Membership, This article was most recently revised and updated by,, The Mineral and Gemstone Kingdom - Silver, silver - Children's Encyclopedia (Ages 8-11), silver - Student Encyclopedia (Ages 11 and up). Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Because of this, the first two rows of the periodic table are labeled the s block. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. The melting point also defines a condition in which the solid and liquid can exist in equilibrium. The atoms in a solid are tightly bound to each other, either in a regular geometric lattice (crystalline solids, which include metals and ordinary ice) or irregularly (an amorphous solid such as common window glass), and are typically low in energy. Deposits of native (chemically free, or uncombined) silver are also commercially important. Electron affinity of Silver is 125.6 kJ/mol. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Boron is a chemical element with atomic number 5 which means there are 5 protons and 5 electrons in the atomic structure. Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. It occurs on Earth as the decay product of various heavier elements. Below the boiling point, the liquid is the more stable state of the two, whereas above the gaseous form is preferred. The chemical symbol for Argon is Ar. The chemical symbol for Gadolinium is Gd. Nickel is a silvery-white lustrous metal with a slight golden tinge. It is a very good conductor of electricity and heat. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. It is this very malleability that made it an obvious choice for currency. Please select which sections you would like to print: Corrections? The ordering of the electrons in the ground state of multielectron atoms, starts with the lowest energy state (ground state) and moves progressively from there up the energy scale until each of the atom’s electrons has been assigned a unique set of quantum numbers. Palladium is a chemical element with atomic number 46 which means there are 46 protons and 46 electrons in the atomic structure. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion. It is an intensive property, which is mathematically defined as mass divided by volume: In words, the density (ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance. Neodymium is a soft silvery metal that tarnishes in air. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. 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. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. Generally, the elements on the right side of the periodic table will have large negative electron affinity. Fermium is a member of the actinide series. 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