From Wikipedia, the free encyclopedia. Four-carbon molecules are based on a skeleton made from four carbon atoms. They may be in a chain, branched chains, cycles or even bicyclic compounds.

Carbon dioxide is a compound. Its molecules consist of one carbon atom joined to two oxygen atoms. In the atmosphere, carbon dioxide is a greenhouse gas. We use carbon dioxide to make drinks fizzy and keep foods fresh.

The four major categories of organic compounds that are present in all living things are carbohydrates, lipids, proteins and nucleic acid.

Carbon-oxygen compounds There are many oxides of carbon (oxocarbons), of which the most common are carbon dioxide (CO2) and carbon monoxide (CO). Other less known oxides include carbon suboxide (C3O2) and mellitic anhydride (C12O9).

Why is carbon so basic to life? The reason is carbon’s ability to form stable bonds with many elements, including itself. This property allows carbon to form a huge variety of very large and complex molecules. In fact, there are nearly 10 million carbon-based compounds in living things!

Carbon is Important to Life In its metabolism of food and respiration, an animal consumes glucose (C6H12O6), which combines with oxygen (O2) to produce carbon dioxide (CO2), water (H2O), and energy, which is given off as heat. The animal has no need for the carbon dioxide and releases it into the atmosphere.

The most general classification of chemical compounds is that of inorganic and organic substances. Inorganic substances generally do not contain a carbon atom, whereas organic substances contain several. Water is definitely an inorganic compound (dihydrogen oxide) and methyl alcohol is definitely an organic compound.

The answer lies with carbon’s unique properties. Carbon has an exceptional ability to bind with a wide variety of other elements. Carbon makes four electrons available to form covalent chemical bonds, allowing carbon atoms to form multiple stable bonds with other small atoms, including hydrogen, oxygen, and nitrogen.

Terms in this set (5)

• carbon is abundant, common.
• forms strong covalent bonds.
• has four valence electrons.
• variety of shapes.
• bonds with multiple elements.

• Carbon makes 4 electrons to form a covalent bond.
• It has a number of allotropes and other forms of existence.
• Carbon is highly unreactive under conditions which are normal.
• This chemical element is represented with the symbol C.
• It contains 6 protons in the nucleus and thus, have atomic number 6.

Carbon Dioxide or CO2 is a greenhouse gas that is natural and harmless in small quantities, but as levels rise it can affect productivity and sleep. Most commonly produced indoors by the air we exhale, CO2 levels concentrate indoors with less ventilation.

Is Carbon From Brita Filters Harmful? Consuming activated carbon dust or particles from Brita filters is not harmful. Carbon is not regulated by the EPA, and there is no standard maximum amount that you can’t consume. So, it’s perfectly ok to drink the carbon from water filters!

Standards or Guidelines No standards for CO have been agreed upon for indoor air. The U.S. National Ambient Air Quality Standards for outdoor air are 9 ppm (40,000 micrograms per meter cubed) for 8 hours, and 35 ppm for 1 hour.

Test results. The normal range for CO2 is 23 to 29 mEq/L (milliequivalent units per liter of blood). The blood test often measures blood pH along with CO2 levels to further determine the cause of your symptoms. Blood pH is a measurement of acidity or alkalinity.

acceptable levels: < 600 ppm. complaints of stuffiness and odors: 600 – 1000 ppm. ASHRAE and OSHA standards: 1000 ppm. general drowsiness: 1000 – 2500 ppm.

Levels of carbon monoxide exposure range from low to dangerous: Low level: 50 PPM and less. Mid level: Between 51 PPM and 100 PPM. High level: Greater than 101 PPM if no one is experiencing symptoms.