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.
Form 8863 Department of the Treasury Internal Revenue Service (99) Education Credits (American Opportunity and Lifetime Learning Credits) â¶ Attach to Form 1040 or Form 1040A.â¶ Information about Form 8863 and its separate instructions is at www.irs.gov/form8863.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.