By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. At standardized conditions for temperature and pressure, two atoms of the element bind to form dioxygen, a diatomic gas that is colorless, odorless, and tasteless, with the formula O 2.y mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. At standardized conditions for temperature and pressure, two atoms of the element bind to form dioxygen, a diatomic gas that is colorless, odorless, and tasteless, with the formula O 2.
American Opportunity Tax Credit. Students may claim this credit if you are over age 24 as long as you meet the other requirements, e.g. are not claimed as a dependent on someone else return, are attending a degree program half-time or more, and have not already completed four years of college.
You cannot take the American opportunity credit and the lifetime learning credit for the same student in the same year. If you complete lines 27 through 30 for this student, do not complete line 31. American Opportunity Credit 27 Adjusted qualified education expenses (see instructions).omplete Part III for each student for whom you are claiming either the American opportunity credit or lifetime learning credit. Use additional copies of Page 2 as needed for each student.