FALSE, the isotope carbon-14 decays to nitrogen-14 over a half-life of 5,730 years. these isotopes could be used to determine the age of rocks formed early in the cenozoic era, approximately 60 million years ago.
Having the chemical symbol C and atomic number 6, carbon is an element with the meaning "coal" in Latin. It is nonmetallic and tetravalent, meaning that four of its atom's electrons may be used to create covalent chemical connections. The periodic table's group 14 is where it belongs. Only 0.025 percent of the crust of the Earth is made up of carbon. The bond sequence affects a bond's strength. Because shorter bonds have a higher bond strength than longer bonds, the higher the bond order, the stronger the bonds are. The bond order of carbon dioxide is 2, that of carbon monoxide is 3, and that of the carbonate ion is 1.33.
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