Issued as a cumulative or non-cumulative L/C, the former allows for unused credit amounts to rollover into subsequent periods while the latter maintains a fixed amount of credit available each period.
average atomic mass of magnesium is 24.3 g/mole so 24.3 X 1.56 X1021 / 6.02 X1023 = .063 grams.
Magnesium is a silver white metal and the eighth abundant element in the universe by mass. Constitutes about 1,92% of the earthâs crust (magnesium oxide) and is also found in seawater (magnesium salt).Magnesium is the 12 th element on the Periodic Table, the lightest among the metals for structural application.onstitutes about 1,92% of the earthâs crust (magnesium oxide) and is also found in seawater (magnesium salt). Magnesium is the 12 th element on the Periodic Table, the lightest among the metals for structural application.