Lithium be cut with a knife. When cut, it possesses a silvery-white color that quickly changes to gray as it oxidizes to lithium oxide. While it has one of the lowest melting points among all metals (180 °C), it has the highest melting and boiling points of the alkali metals. Lithium has a very low density (0.534 g/cm), comparable with pine wood. It is the least dense of all elements that are solids at room temperature; the next lightest solid element (potassium, at 0.862 g/cm) is more than 60% denser. Furthermore, apart from helium and hydrogen, it is less dense than
Australian Fair Pay and Conditions Standard parental leave was available up to a maximum of 52 weeks. This 52 weeks could be shared between both parents at the time of the birth of a child, or the adoption of a child under five years of age. Parental leave under the Standard applied to all full-time, part-time and eligible casual employees who had at least 12 months continuous service with the same employer. Casual employees became eligible when they had been employed with the same employer on a regular and systematic basis for at least 12 months with a reasonable expectation of ongoing employment. These parental leave