COMPOUNDS OF PHYSICAL HARDNESS
Answer:
Mechanical properties
Explanation:
Mechanical properties: Ionic compounds are brittle and rigid, whereas covalent compounds are softer and more flexible.
Covalent compounds are made up of atoms that share electrons. They have physical features that distinguish them from ionic compounds, such as lower melting temperatures and electrical conductivity, due to the sharing of electrons. Electrical conductivity and electrolytes: When melted or dissolved in water, ionic compounds conduct electricity, whereas covalent compounds do not. Because covalent compounds dissolve form molecules, whereas ionic compounds dissolve into ions that may carry charge, this is the case. Salt (sodium chloride), for example, conducts electricity when molten or in salt water. Sugar (a covalent molecule) will not conduct when melted or dissolved in water. Ionic compounds are created by strong electrostatic interactions between ions and have greater melting temperatures and electrical conductivity than covalent ones.
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