Alloys Alloy is usually formed from two metals, it is formed of two metals or more with a certain ratio as iron alloys (ferromanganese, ferrochromium) and it may consist of metal and nonmetal with...
The transition element is the element in which the orbitals of d or F are occupied with electrons but not completely filled either in its atomic state or in one of its oxidation states,...
The transition elements occupy the middle of the periodic table between (s) and (p) blocks, Including more than 60 elements (more than half the number of known elements), These elements can be classified into...
Some of representative elements groups are known as regular groups, Because their elements show a great regularity & graduation in their properties and that is not found in the transition elements, One of the...
The oxygenated acids ( acids contain oxygen ) and bases are considered as hydroxy compounds , They can be represented by the general formula ( MOH ) , where M is the element atom...
Modern periodic table The modern periodic table consists of 7 horizontal periods and 16 vertical groups (18 vertical columns). The elements of the modern periodic table are classified into 4 blocks (s, p, d,...
