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A+ = High Achievement - Another unofficial grade given in internal school assessments at some schools, this is to suggest a student who is working at a high level of achievement, but not high enough for Merit. Usually as the gulf between Achieved and Merit is so wide, some 50% of students get Achieved yet less than 25% get a Merit or Excellence.
Pauling scale: 1.3 ... body-centred cubic) and one at high pressure (around 100 GPa; ... where the number of f electrons increases from about 0.4 to ...
0.0445 4.97 × 10 −5: 0.712 700 0.7564 1.13 ... High concentrations of CO 2 produced by disturbance of deep lake water saturated with CO 2 are ... (the pH scale is ...
Low-grade uranium ore mined typically contains 0.01 to 0.25% uranium oxides. Extensive measures must be employed to extract the metal from its ore. [ 79 ] High-grade ores found in Athabasca Basin deposits in Saskatchewan , Canada can contain up to 23% uranium oxides on average. [ 80 ]