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An oxide always has at least one oxygen atom as well as at least one atom of a different element.
All molecules are composed of atoms, so yes, atoms can always be found in molecules.
Not in this universe.
Oxygen, hydrogen, carbon and nitrogen
The atoms in iron are little groups that act like tiny magnets also found in nickel and cobalt!
Yes, both.The vast majority of atoms like to group with other atoms, but a few (e.g. Noble Gasses) like to be separated and alone.
It depends on the source of the pollution but various sulphates, which contribute to "acid rain," are a common polutant.
Carbon and hydrogen atoms are always found in organic compounds. Additionally, organic compounds may also contain oxygen, nitrogen, sulfur, or other elements in smaller quantities.
sulfur and four oxygen atoms
A neutron, although this is not always the case as there are hydrogen atoms with neutrons, but hydrogen atoms are the only one which are able to not have a neutron.
The functional groups commonly found in sugars are hydroxyl groups (-OH), carbonyl group (C=O), and ether linkage (C-O-C). These functional groups are essential for the structure and properties of sugars.
Sulfates contain sulfur atoms bonded to four oxygen atoms. They are commonly found in salts or esters of sulfuric acid, and are widely used in various industrial processes, such as in detergents, cosmetics, and pharmaceuticals.