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 most stable atoms are those of noble gases such as helium, neon, argon …..etc, Because their outermost energy level is filled with electrons, so, the atoms of these electrons do not undergo any...
Modern periodic table In the modern periodic table, each period starts with the strong metal (in group 1 (1 A), where the metallic property decreases by increasing the atomic number, till we reach the...
Electronegativity is the ability of the atom in the covalent molecule to attract the electrons of the chemical bond towards itself, There is an inverse relationship between the atomic size of the atom of...
