A nitrogen atom has 7 protons, and the most common isotopes of nitrogen has 7 neutrons. A radioactive isotope of nitrogen has 8 neutrons. Write the atomic number and Mass number of this radioactive nitrogen as a chemical symbol with the subscript and superscript.

Hemoglobin is the compound in red blood cells that carries oxygen to the body. the distribution of hemoglobin in women in g/dl of blood is approximately normally distributed with mean 14 and standard deviation 1. too little hemoglobin, and you're anemic. 2. too much, and (unless you live at high altitudes), you can have other problems.

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Which of the following human activities resulted in the growth of the north american deer population?