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).
An electronic learning environment for users of the NSRC middle school curriculum Properties of Matter Element Card 3, Lesson 21. Calcium. Ca. Calcium is dull gray, but it is shiny when scratched. Calcium is an excellent conductor of electricity. It is very soft and easily scratched. Calcium reacts rapidly with air to form a coating of gray oxide, and it burns with a red flame.