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The further right you go through a period, the less likely you are to lose electrons. This is because elements have more valence electrons as you go right, and if you have more electrons than you don't you will probably just take an electron. All of this is demonstrated by oxidation numbers.
Elements can bond with each other through ionic, covalent, or metallic bonds. Ionic bonds involve the transfer of electrons between a metal and a nonmetal, covalent bonds involve the sharing of electrons between two nonmetals, and metallic bonds involve the delocalization of electrons in a sea of electrons among metal atoms.
Elements with five or more electrons in the outer energy level are typically classified as nonmetals. These elements tend to gain electrons to achieve a stable octet configuration. Examples include nitrogen, oxygen, and chlorine.
Yes In Groups 1A through 8A
The number and arrangement of electrons determine how elements react chemically. Elements strive to achieve a stable electron configuration, such as a full outer electron shell, through gaining, losing, or sharing electrons with other elements. This determines an element's reactivity and chemical behavior.