![]() Discuss on how atoms of elements can gain their stabilities by either loosing or gaining electron(s) on the valence shells and show with evidence that an atom is stable?ĥ. What happens when sodium, magnesium and aluminium lose electrons?Ĥ. What happens when oxygen and chlorine gain electrons?ģ. In pairs discuss and write electronic configuration of sodium, neon, argon, magnesium, aluminium, oxygen and chlorineĢ. Stability of atoms and why they bind togetherġ. However, in this unit we will only emphasize on ionic and metallic bonding.ģ.1. The type of a bond in molecules is determined by the nature and properties of the bonding atoms. In molecules, atoms or ions are held together by forces called chemical bonds.There are 3 types of chemical bonds: Ionic, Covalent and Metallic Solids are one of the three fundamental states of matter. Some atoms may not need to bond with others they are self-sufficient as some people, a small number, may be self-sufficient.Ĭonnections between atoms are called chemical bonds. Some atoms have weak connections, just like two people can have connections. Similarly some atoms canĪlso have strong bonds between them. People like to bond with each other for many reason such as: to unite their forces and be stronger, to exchange idea and produce big things, to found a family, etc. ![]() State the physical properties of metals and forces of attraction that hold atoms of metal.Describe the formation of metallic bonds.Relate the lattice structure of metals to their physical properties.State the factors that influence the magnitude of lattice energy.Assemble experimental set up appropriately and carefully.Perform experiments to show properties of ionic compounds.Describe the properties of ionic compounds based on observations.Represent ionic bonding by dot-and-cross diagrams. ![]()
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