Niobium
Niobium Element
Niobium is a chemical element or light grey, crystalline, transition metal of Group 5 (VB) of the periodic table with symbol Nb and atomic...
Transition Metals
Transition Metals on the Periodic Table
Transition metals or transition elements on the periodic table are the d-block chemical elements lying between p-and s-block elements....
Tantalum
Tantalum Element
Tantalum is a chemical element or rare, hard, blue-gray, lustrous transition metal of Group 5 (VB) of the periodic table with the symbol Ta...
Rare Earth Elements
Periodic Table of Elements Rare Earth Metals
Rare earth elements or rare earth metals also called lanthanides or inner transition metals are the chemical elements from cerium (Ce)...
Lanthanum
Lanthanum Element
Lanthanum is the f block element or rare-earth metal of the periodic table with atomic number 57 and symbol La. It is a...
Calcium
Calcium Element
Calcium is the chemical element or alkaline-earth metal of Group-2 (IIA) of the periodic table with the symbol Ca and atomic number 20. It is...
Potassium
Potassium Metal
Potassium is a chemical element or silvery-white alkali metal of Group-1 or IA of the periodic table with the symbol K and atomic number...
Silicon
Silicon Element
Silicon is an important metalloid or chemical element in the carbon family or Group 14 of the periodic table with atomic number 14 and...
Phosphorus
Phosphorus Element
Phosphorus is a nonmetallic chemical element of the nitrogen family or Group 15 of the periodic table with the symbol P and atomic number 15....
Sodium
Sodium Chemical Element
Sodium is a soft, low melting, silvery white alkali metal or chemical element of Group 1 or IA of the periodic table with...








