Two atoms in one molecules of O2
none, since hydrogen is a pure chemical element consisting of only hydrogen atoms.
There are no iron atoms in oxygen. Oxygen is an element in itself so it can not be complicated by another element unless it becomes a molecule of something else. Usually iron that has been mixed with oxygen can be form an iron oxide.
Oxygen is an element. Gaseous oxygen (the kind in the air you breathe) is called molecular as it consists of two oxygen atoms (O2).
When two atoms of the element oxygen combine to form a molecule of oxygen (O2), it is still considered a pure substance because both atoms are of the same element. A compound is formed when atoms of different elements bond together. In this case, O2 is a molecule of an element rather than a compound because it consists of two atoms of the same element bonded together.
There are 33 atoms in that molecular formula. C13H18O2 (the molecular formula for Ibuprofen) has 13 carbon atoms, 18 hydrogen atoms, and 2 oxygen atoms.
Zero. Oxygen is an element.
Oxygen is an element in its own right, so it only contains one element: oxygen.
C6H12O6. Six carbon atoms, 12 hydrogen atoms and six oxygen atoms.
2 oxygen
In a molecule of calcium (Ca), there are no atoms of oxygen. Calcium itself does not contain any oxygen atoms in its molecular formula.
Because they are all the same type of atoms. Oxygen is an element. If you have 10 oxygen atoms, they will all behave like oxygen, since they are the same element.
No, the oxygen molecule is made up of two atoms of the same element, oxygen.
Oxygen.
2 atoms of oxygen joined togetherBy mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. At STP, two atoms of the element bind to form dioxygen.
Quartz consists of silicon and oxygen (2 times as many oxygen atoms than silicon atoms).
This is farely simple. The subscripts just tell you how many atoms of an element are in the compund. Like this: H20 - Water has 2 hydrogen atoms and 1 oxygen atom CO2 - Carbon Dioxide has 1 carbon atom and 2 oxygen atoms. hence the name carbon di(which means 2)oxide(oxygen). The numbers succeeding elements indicate the number of atoms of that particular element in the compound. For example, in H20, there are two hydrogen atoms and one oxygen atom. In H2SO4, there ar two Hydrogen atoms, one Sulfur atom and four Oxygen atoms.
Oxygen is a gas composed of oxygen molecules. A stable oxygen molecule is made from two oxygen atoms, represented as O2.