Which rule is violated in the following configuration 1s^2 2s^2 2px^2 2py^1. state the rule

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

Calculate the number of molecules present in 0.750 mol of mgo.

When a scientific theory has been tested and proved by the scientific community, it becomes a law