QMRP is an acronym for Qualified Mental Retardation Professional. This term was first used in federal standards developed in the late 1970s and early 1980s for intermediate care facilities for the developmentally disabled (ICF/DD).
Physical properties. Calcium is a fairly soft metal with a shiny silver surface when first cut. The surface quickly becomes dull as calcium reacts with oxygen to form a coating of white or gray calcium oxide. Calcium's melting point is 850Â°C (1,560Â°F) and its boiling point is 1,440Â°C (2,620Â°F).
â¢ Types of physical properties that geologists use include: â Color, Streak, Luster, Hardness, Specific Gravity, Crystal Habit, and Cleavage Pyrite â¢ Properties depend uponâ¦ â Chemical composition. â Crystal structure. â¢ Some are diagnostic. â¢ Minerals have a unique set of physical properties.