The chemical symbol for Gallium is Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. Sodium metal, for example, has an oxidation state of 0 in the elemental state. Atoms in their elemental form always have an oxidation number of 0. It could be part of the main body, but then the periodic table would be rather long and cumbersome. The chemical symbol for Californium is Cf. The chemical symbol for Plutonium is Pu. Ruthenium is a rare transition metal belonging to the platinum group of the periodic table. Points to remember: 1. The chemical symbol for Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. The chemical symbol for Germanium is Ge. Thulium is the thirteenth and third-last element in the lanthanide series. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. The chemical symbol for Radium is Ra. Oxygen usually has an oxidation number of -2. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). Because sodium is extremely reactive, it never occurs in the free state in Earth’s crust. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. Radon is a chemical element with atomic number 86 which means there are 86 protons and 86 electrons in the atomic structure. Tellurium is chemically related to selenium and sulfur. Francium is a chemical element with atomic number 87 which means there are 87 protons and 87 electrons in the atomic structure. Group I elements always has an oxidation state of +1 in all its compounds. Sodium is a soft, silvery-white, highly reactive metal. Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. The chemical symbol for Aluminum is Al. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). The oxidation number of hydrogen is +1 when it is combined with a nonmetal as in CH 4, NH 3, H 2 O, and HCl. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. That means, the individual oxidation of each element adds up to zero. In nuclear industry gadolinium is commonly used as a neutron absorber due to very high neutron absorbtion cross-section of two isotopes 155Gd and 157Gd. Oxidation number, also called oxidation state, the total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom.. Each atom that participates in an oxidation-reduction reaction is assigned an oxidation number that reflects its ability to acquire, donate, or share electrons. The chemical symbol for Silver is Ag. 4. Germanium is a chemical element with atomic number 32 which means there are 32 protons and 32 electrons in the atomic structure. Mendelevium is a metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities. The chemical symbol for Lithium is Li. Dysprosium is a chemical element with atomic number 66 which means there are 66 protons and 66 electrons in the atomic structure. Krypton is a member of group 18 (noble gases) elements. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air.