• A nonmetal is an element that is generally a poor conductor of heat and electricity.
  • Most properties of nonmetals are the opposite of metals.
  • Nonmetals exist in all three states of matter.
  • The majority are gases, such as nitrogen and oxygen.
  • Bromine is a liquid.
  • Liquid helium exists at an extremely low temperature and can be used to cool superconducting magnets for imaging studies.
  • Inhaling helium changes the speed of sound, producing a higher pitch in your voice and can lead to physical harm and death.
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