Apatio is built in the shape of a trapezoid, as shown. determine the area of the patio.

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

The p sub shell can hold up to 8 electrons in an atom. true or false?

There are main groups in the modern periodic table of elements