The elements carbon, hydrogen and oxygen make up carbohydrates. For instance, glucose, a monosaccharide, has six carbon atoms, 12 hydrogen atoms and six oxygen atoms.Know More
One important characteristic that is common to carbohydrates is that there are always twice as many hydrogen atoms as oxygen atoms. For instance, maltose has 11 oxygen atoms and 22 hydrogen atoms.
Carbohydrates are types of sugars, but they come in many sizes and forms. Some, such as glucose and fructose, are simple sugars used as energy sources. Polysaccharides, or starches, are large combinations of carbohydrates. Some are also found in foods such as potatoes and pasta. Cellulose is a polysaccharide found in plants that helps support their structures. Another polysaccharide, chitin, is found in the shells of crustaceans.Learn more about Chemistry
The elements that make up paper are cellulose from tree wood and various chemicals that give different types of paper their special properties. Hemp, bamboo, flax and cotton are also used, but 95 percent of the raw elements come from trees, according to the National Center for Families Learning.Full Answer >
Although the chemical composition of wood varies from species to species, wood is primarily composed of carbon, hydrogen, oxygen, calcium, potassium, sulfur, nitrogen and magnesium. Most wood contains some amount of water as well.Full Answer >
Steel is an iron alloy containing 0.5 to 1.5 percent carbon. It is more useful than simple iron due to its increased strength. Stainless steel contains 10 to 30 percent chromium in addition to carbon, and it is resistant to rust.Full Answer >
The elements of the periodic table in groups 1A to 8A are called the main-group elements. They are sometimes also called the representative elements and they are the most abundant in the universe.Full Answer >