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).
1 Calcium is the main component of teeth and bones. 2  Calcium is the fifth most abundant element in the human body. 3  Approximately one third of the mass of the human body is calcium after all water is removed.4  Calcium burns with a dark red color in a flame test. 5  Calcium is used in fireworks to deepen the color. Calcium is the main component of teeth and bones. 2  Calcium is the fifth most abundant element in the human body. 3  Approximately one third of the mass of the human body is calcium after all water is removed.