30 Most Important Elements by Malek Williams https://padlet.com/3022321/8zlvfvrd9hu0 Made with a curious mind en-us 2017-04-25 20:36:01 UTC 2025-03-14 00:35:41 UTC hello@padlet.com Hydrogen 3022321 https://padlet.com/3022321/8zlvfvrd9hu0/wish/168234372
  • a colorless, odorless, highly flammable gas, the chemical element of atomic number 1.


    • ]]>     2017-04-25 20:43:55 UTC https://padlet.com/3022321/8zlvfvrd9hu0/wish/168234372     Helium 3022321 https://padlet.com/3022321/8zlvfvrd9hu0/wish/168234485 the chemical element of atomic number 2, an inert gas that is the lightest member of the noble gas series.]]> 2017-04-25 20:44:35 UTC https://padlet.com/3022321/8zlvfvrd9hu0/wish/168234485 Carbon 3022321 https://padlet.com/3022321/8zlvfvrd9hu0/wish/168235215 the chemical element of atomic number 6, a nonmetal that has two main forms (diamond and graphite) and that also occurs in impure form in charcoal, soot, and coal]]> 2017-04-25 20:49:31 UTC https://padlet.com/3022321/8zlvfvrd9hu0/wish/168235215 Lithium 3022321 https://padlet.com/3022321/8zlvfvrd9hu0/wish/168235308 the chemical element of atomic number 3, a soft silver-white metal. It is the lightest of the alkali metals.]]> 2017-04-25 20:50:02 UTC https://padlet.com/3022321/8zlvfvrd9hu0/wish/168235308 Nitrogen 3022321 https://padlet.com/3022321/8zlvfvrd9hu0/wish/168235366 he chemical element of atomic number 7, a colorless, odorless unreactive gas that forms about 78 percent of the earth's atmosphere. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (-195.8°C) and is used as a coolant.]]> 2017-04-25 20:50:21 UTC https://padlet.com/3022321/8zlvfvrd9hu0/wish/168235366