metals and non-metals

• hydrogen

  non-metal
• helium

  non-metal
• lithium

  metal
• beryllium

  metal
• boron

  non-metal
• carbon

  non-metal
• nitrogen

  non-metal
• oxygen

  non-metal
• fluorine

  non-metal
• neon

  non-metal
• sodium

  metal
• magnesium

  metal
• aluminium

  metal
• silicon

  non-metal
• sulfur

  non-metal
• phosphorus

  non-metal
• chlorine

  non-metal
• argon

  non-metal
• potassium

  metal
• calcium

  metal