Octet Rule: The octet rule states that atoms tend to gain or lose electrons in order to achieve a stable electron configuration. This means that atoms form...
Octet Rule:
The octet rule states that atoms tend to gain or lose electrons in order to achieve a stable electron configuration. This means that atoms form bonds with other atoms to achieve a complete outer shell of electrons. For example, in the element sodium (Na), the atom gains one electron to form a sodium ion (Na+). This allows the sodium atom to achieve a stable electron configuration.
Ionic Bonding:
Ionic bonding occurs when atoms lose or gain electrons and form positive and negative ions. These ions then attract each other to form an ionic compound. For example, in the compound sodium chloride (NaCl), the sodium atom loses an electron to form a sodium ion (Na+), while the chlorine atom gains an electron to form a chloride ion (Cl-). The positive and negative ions then attract each other to form an ionic compound.
Covalent Bonding:
Covalent bonding occurs when atoms share electrons to form covalent bonds. These bonds are formed when the atoms form a shared electron sea, where the electrons are distributed throughout the molecule. For example, in the molecule of carbon dioxide (CO2), the carbon atom forms covalent bonds with the two oxygen atoms. This allows the atoms to share electrons and form a covalent bond