1) An element has 2 neutrons, 2 electrons and 2 protons. Which element does this describe? Is it a neutral atom, isotope, or an ion? What is the mass number? What is the net charge?
2)As a medical professional, it is very important to understand the types of radiation and wavelengths in the electromagnetic spectrum. What radiations are commonly used on the human body and for what reason?
3)The National Institute of Health (NIH) provides dietary recommendations for adults over various supplements. Convert the following recommendations for supplements over to mass or moles. The NIH recommends an adult have a daily dietary allowance of 1.5 x 10-5 g of Vitamin D (C27H44O). Convert the g to moles
4)The National Institute of Health (NIH) provides dietary recommendations for adults over various supplements. Convert the following recommendations for supplements over to mass or moles. You have 0.834 moles of Potassium. The NIH recommends 2,600mg of potassium as a daily intake recommendation. Convert the moles to mg.
5)Liv is trying to decide which molecules to use for her chemistry reaction. The first thing she has to do is find the molar mass of each of the molecules she can potentially use. Calculate the molar mass of the molecules: S2Cl2