Chemists have recently explored protactinium's multiple resemblances to more completely understand the relationship between the transition metals and the complex chemistry of the early actinide ...

The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...

Every year questions are being asked in nearly all the competitive examinations like NEET, JEE, UPTU, WBJE, etc. from d-block element. D-block elements occupy the space between the s-block (most ...

Part of Combined Science Structures, trends, chemical reactions, quantitative chemistry and analysis Transition metals form ions with different charges. An iron(II) ion has a 2+ charge, and an ...

Chromium Transition elements 1890°C 7.19 g/cm 3 Manganese Transition elements 1240°C 7.20 g/cm 3 Iron Transition elements 1538°C 7.87 g/cm 3 Cobalt Transition elements 1492°C 8.90 g/cm 3 Nickel ...