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.
First, remember that a tax credit is superior to a tax deduction. Unlike a tax deduction, a tax credit reduces the amount you owe (or increases the size of your refund) dollar-for-dollar in the amount of the credit. The maximum 2013 American Opportunity Tax Credit is $2,500 per student.To qualify, you must have spent at least $4,000 in qualifying education expenses. As a partially refundable credit, a maximum of 40% of the credit is payable to you even if you incur no tax liability for the year.he maximum 2013 American Opportunity Tax Credit is $2,500 per student. To qualify, you must have spent at least $4,000 in qualifying education expenses. As a partially refundable credit, a maximum of 40% of the credit is payable to you even if you incur no tax liability for the year.