Question 5: It is a soft, silvery-gold ________ with a melting point of 28 °C (83 °F), which makes it one of only five metals that are liquid at or near room temperature.
Question 6: Caesium chloride is an important source of caesium ions in a variety of applications and it crystallizes in the simple ________, which is also called the "caesium chloride structure".
Question 10: [10] It has been regarded as the "strongest base", but in reality, many compounds that are not classic hydroxide bases such as n-butyllithium and ________ are stronger, and are destroyed by water.