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Tagged: The nonmetals

Covalent bond 0

What are the types of the covalent bond ?

The covalent bond The covalent bond is a bond occurred among the atoms of nonmetals through the particopation of each atom with the same number of electrons to complete the outer electron shell .

Ionic bond 0

What is the ionic bond ?

The  element is composed of the molecules , Each molecule consists of the atoms , The atom is electrically neutral in its ordinary state ( In the atom , the number of the electrons...

Modern periodic Table 0

The attempts of the elements classification

The elements The scientists classified the elements according to their properties to facilitate their study and to find a relationship between the elements, and their chemical and physical properties.