Properties and Bonding of Compounds

The video explores the structure and bonding of elements and compounds, focusing on a triangular space model. It covers molecular covalent bonding among non-metals, resulting in volatile compounds, and metallic bonding, which forms conductive and malleable structures. Giant covalent structures like diamond and silicon are discussed, highlighting their robust lattice formations. Ionic bonding is explained through the interaction of metals and non-metals, forming stable ionic crystals with distinct properties. The video concludes with a summary of these bonding types and their characteristics.

What is the arrangement of elements in the triangular space based on?

• Their atomic number

• Their reactivity

• Their atomic mass

• Their electronegativity

What type of molecules do non-metallic elements tend to form?

• Polyatomic ions

• Metallic lattices

• Ionic lattices

• Diatomic molecules

What property of metals allows them to conduct electricity well?

• Brittle nature

• Loose electrons

• Fixed electron positions

• High melting points

What type of structure do metals form due to metallic bonding?

• Three-dimensional lattices

• Giant covalent structures

• Diatomic molecules

• Ionic crystals

What is a characteristic of giant covalent structures like diamond?

• They are gases at room temperature

• They are solid and difficult to melt

• They conduct electricity well

• They are easily vaporized

What is a feature of polymers formed by carbon?

• They are always solid

• They are flexible

• They are brittle

• They conduct electricity

What type of bonding occurs between sodium and chlorine?

• Covalent bonding

• Metallic bonding

• Ionic bonding

• Hydrogen bonding

What happens to the electron from sodium when it bonds with chlorine?

• It is transferred to chlorine

• It is shared equally

• It forms a metallic bond

• It remains with sodium

What is a property of ionic crystals?

• They conduct electricity in solid form

• They are brittle

• They have low melting points

• They are malleable

What happens to ionic compounds when dissolved in water?

• They form a gas

• They become non-conductive

• They conduct electricity

• They become malleable