Which one the following statements concerning matter is correct?

What is the molar mass of ammonium carbonate [(NH4)2CO3]?

The atomic mass listed for an element on the periodic table is_________.

Which of the following statements about chemical reactions is FALSE?

Calculate the atomic mass of element “X” in amu, if it has 2 naturally occurring isotopes with the following masses and natural abundances:                     X-45                      44.8776 amu   32.88%                   X-47                      46.9443 amu   67.12%

Ernest Rutherford’s experiment with the gold foil was responsible for which important discovery?

The process of synthesizing glucose from non-carbohydrates is called __________________.

The ________ is the endometrial layer that undergoes dramatic changes during the menstrual cycle.

Which of the following is the most abundant mineral in the body?

To qualify to drop my lowest test grade I must: