Properties and bonding of elements and compounds

Which of the following is a characteristic of ionic bonding?

• Sharing of electrons

• Transfer of electrons

• Delocalised electrons

• Weak intermolecular forces

What type of elements typically form covalent bonds?

• Metals and non-metals

• Non-metals and non-metals

• Metals and metals

• Noble gases

Which of the following is a feature of metallic bonding?

• Localised electrons

• Delocalised electrons

• Weak electrostatic forces

• Formation of molecules

Which property is common to ionic compounds?

• High melting and boiling points

• Low melting and boiling points

• Poor electrical conductivity in molten state

• Solubility in non-polar solvents

What is a typical property of covalent compounds?

• Conduct electricity in solid state

• High melting points

• Low melting and boiling points

• Soluble in water

Which of the following best describes the difference between ionic and covalent bonds?

• Ionic bonds involve sharing of electrons, covalent bonds involve transfer

• Ionic bonds involve transfer of electrons, covalent bonds involve sharing

• Both involve sharing of electrons

• Both involve transfer of electrons

What is the primary force holding metallic bonds together?

• Electrostatic attraction between ions

• Electrostatic attraction between electrons and positive metal ions

• Van der Waals forces

• Hydrogen bonding

Which of the following is a property of metals due to metallic bonding?

• Brittle nature

• High electrical conductivity

• Low density

• Poor thermal conductivity

Which of the following is true about the solubility of ionic compounds?

• Soluble in non-polar solvents

• Soluble in polar solvents like water

• Insoluble in all solvents

• Soluble in organic solvents

What is a common property of covalent compounds in terms of electrical conductivity?

• Good conductors in solid state

• Good conductors in liquid state

• Poor conductors in all states

• Good conductors in aqueous solution