modern periodic table scandium 3d

element rhenium actinides atom atomic number atoms calcium chart chemical chemistry earth education electron electrons elements gas hydrogen information lab laboratory lanthanide lanthanides symbol symbols tungsten tantalum hafnium lutetium ytterbium thulium holmium dysprosium terbium gadolinium europium samarium praseodymium cerium illustrationmodern caesium iodine tellurium antimony tin indium cadmium silver palladium rhodium ruthenium technetium zirconium periodic metals nature noble rubidium selenium actinide molecular molecule gases oxidation science scientific bromine arsenic germanium titanium table scandium 3d actinide actinides atom atomic number atoms calcium chart chemical chemistry earth education electron electrons element elements gas helium hydrogen information lab laboratory lanthanide lanthanides liquid material metal metalloid metals molecular molecule nature noble gases oxidation periodic science scientific symbol symbols