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.
Hydrogen HYDROGEN is a chemical element with symbol H and atomic number 1. With a standard atomic weight of circa 7000100800000000000â 1.008, hydrogen is the lightest element on the periodic table . Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass.