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Question

Is hydrogen a metal or nonmetal?


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Solution

Metal

  • Metals, in their pure state, have a shining surface. This property is called metallic luster.
  • Metals are found on the left side of the periodic table.
  • Metals are generally hard.
  • Metals are usually solids at room temperature

Nonmetals

  • Non-metals are found in the Periodic Table's top right corner.
  • In fact, in a horizontal row, the property of elements changes from metallic on the left to non-metallic on the right.
  • Non-metals are usually solids or gases at room temperature with low boiling and melting points(boron and carbon are exceptions).
  • They are poor conductors of heat and electricity.
  • Most nonmetallic solids are brittle and are neither malleable nor ductile.

Hydrogen

  • Hydrogen is a nonmetal.
  • Compared to the other alkali metals, it produces cations (H+) more reluctantly.
  • The atomic number of hydrogen is 1.
  • The electronic configuration of hydrogen is 1s1.

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