1. One of the hydrogen atoms in ammonia is replaced by a benzene ring.

2. Instantly, one of the hydrogen atoms on the ethanol molecule is ripped off.

3. Like Green's compound, this iridium compound contains two hydrogen atoms that can be eliminated by light.

4. A methyl group is a carbon with three hydrogen atoms attached.

5. Three dimensional hydrogen atom spherical harmonics visualization.

6. Who knows the atomic weight of the hydrogen atom?

7. The hydrogen atom is lighter and simpler than the atoms of any other elements.

8. Hydrogen donor can provide active hydrogen atom to postpone or control the forming of the second liquid phase and effectively restrain the coking when catalyst and hydrogen were absent.

9. The hydrogen atom is the simplest and lightest of atoms.

10. The multicomponent coherent states fo hydrogen atom are presented. The uncertainty relation and the squeezing property are discussed.

11. We will consider this Zeeman effect for the hydrogen atom.

12. A terminal end hydrogen atom will greatly damage mesomorphic properties, especially smectic C phase.

13. The permanent electric dipole moment (PEDM) of hydrogen atom is calculated in classical mechanics and double-wave mechanics.

14. pH is a measure of the concentration of free hydrogen atoms in a solution.

15. This is about the energy that would be released if a hydrogen atom could be totally converted into energy.

16. The microcosm becomes the macrocosm: the key to the whole universe may well be hidden in one hydrogen atom.

17. It consists of a chain of carbon atoms, with one hydrogen atom attached to each carbon.

18. The remaining neutrons would have decayed into protons, which are the nuclei of ordinary hydrogen atoms.

19. The optimum proportions of hydrogen and oxygen are thus two hydrogen atoms per oxygen atom, exactly the same as in water.

20. By supplying addition molecules of chlorine it is possible to replace all the hydrogen atoms.

21. The oxygen atom is nearly 16 times as heavy as the hydrogen atom.

22. The influence of electronic self spin of quantum human body to the energy grade and spectrum line of sort hydrogen atom under the case without outfield was mainly discussed in this paper.

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23. But there's an answer: Add a neutron to the single proton in the heart of every hydrogen atom and you have deuterium, also known as "heavy hydrogen."

24. So, what we get for the disassociation energy for a hydrogen atom is 424 kilojoules per mole.

25. An aromatic hydrocarbon group formed by the removal of a hydrogen atom from an arene.

26. According to the perturbation theory, a distribution law of matrix element in secular equation is discovered in degenerate state and wave function property of the hydrogen atom.

27. A proton or a neutron has about the same mass as a hydrogen atom.

28. Now consider applying an external magnetic field to the hydrogen atom.

29. BCATI, abbreviation for 4-Butoxy Carbonyl Amino Toluene 2-Tsocyanate, was reacted with the active hydrogen atom in hydroxy of epoxy resin E-20 and then the modified epoxy resin was obtained.

30. The univalent organic radical C6H 5, derived from benzene by removal of one hydrogen atom.

31. Let's look at the energetics of one of those electrons crashing into a hydrogen atom inside the gas tube.

32. Structure Fluorine perchlorate should be analogous to perchloric acid, but with the replacement of the lone hydrogen atom with an atom of fluorine.

33. Both collaborations have also studied the effects of low - energy electron attachment to halo- uracil molecules, in which a halogen atom such as bromine replaces a hydrogen atom.

34. This distribution is consistent with probability density of stationary state for hydrogen atom in the classical limit.

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35. He applied the concept of quantization of energy to the hydrogen atom.

36. The chemical shift of hydrogen atom in host and guest molecules were also investigated with 1 HNMR.

37. Gaussian short-pulse laser is applied to excited hydrogen atom in a static magnetic field and to produce Rydberg wave packets. We study the temporal evolution of Hydrogen Rydberg wave packets.

38. These atoms can remove or abstract a hydrogen atom which is attached to carbon.

39. So if we're talking about the fourth excited state, and we talk instead about principle quantum numbers, what principle quantum number corresponds to the fourth excited state of a hydrogen atom.

40. Only discrete wavelengths of matter waves may resonate within the spherical volume of a hydrogen atom.

41. Due to the absence of active hydrogen atom on soft segment, an covalent bond can be found between dye molecule and soft segment.

42. We now incorporate this condition into the analysis of the hydrogen atom.

43. The simplest is the hydrogen atom, which has only one electron.

44. We study the classical dynamics of Rydberg hydrogen atom near a metal surface.

45. Odorants such as acetophenone and deuterated acetophenone, for example, have the same molecular structure; one is just built from a slightly heavier hydrogen atom, known as deuterium.

46. In the second part of this thesis, the collision processes between one hydrogen atom and graphene with single vacancy defect have been investigated.