原子

• Some of the excited atoms undergo radiative deexcitation .
  某些受激的原子会发生辐射性退激。
• This jump means that the atom has absorbed some energy .
  这种跳跃意味着原子吸收了某些能量。
• Argon is a monatomic gas .
  氩是单原子气体。
• It is wonderful that they did guess at atomic structure .
  可惊的是他们居然猜测到了原子的结构。
• An atom contains small particles carrying two kinds of electricity .
  原子含有带有两种电的微粒。
• Physics does not inquire into the essence of atoms or of light .
  物理学并不探求原子或光的本质。
• The parity of atomic states is important in spectroscopy .
  原子状态的宇称性质在光谱中是重要的。
• The magnetic field of an atom is usually dominated by the electrons .
  原子的磁场通常由电子决定。