For 10 points, name this chemical element directly above sulfur on the periodic table, with a chemical symbol O.
The Dole Effect involves the occurrence of this element, which is tested for in the Winkler test. James Dewar was the first to produce the liquid form of this element. When four of this element bonds together, it is called (*) "red," and this gas is the only diatomic one to exhibit its own magnetic moment. This third most abundant element in the universe is present in ozone. For 10 points, name this chemical element directly above sulfur on the periodic table, with a chemical symbol O.
The Dole Effect involves the occurrence of this element, which is tested for in the Winkler test.
{oxygen} [or {O} until mentioned]