Story highlights. (CNN)The superintendent of the Tennessee school board where a teacher is accused of kidnapping student Elizabeth Thomas has made an appeal to his former employee. If Elizabeth is with you, bring her home, Maury County Public Schools Superintendent Chris Marczak told CNN on Thursday night.
For example methanol (race car fuel) (1 carbon 4 hydrogens 1 oxygen) burns with an almost invisible flame and acetylene (2 carbons 2 hydrogens (cutting torch without the oxygen turned on) burns with a bright yellow flame with clumps of soot raining down.
1. hydrogen-a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe. atomic number 1, H. tritium-a radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms.ymbol H A colorless, odorless, highly flammable gaseous element that is the lightest and most abundant element in the universe. It occurs in water in combination with oxygen, in most organic compounds, and in small amounts in the atmosphere as a gaseous mixture of its three isotopes (protium, deuterium, and tritium).