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.
The new credit is currently available through 2017. The American Opportunity credit equals 100% of the first $2,000 of a studentâs qualified education expenses plus 25% of the next $2,000. The maximum annual credit is $2,500.he rules for the Lifetime Learning credit are unchanged from prior years. As before, the credit is 20% of up to $10,000 of qualified education expenses. So the maximum credit for 2014 is $2,000 before any phase-outs.