30 important elements by https://padlet.com/3011694/gaelramirez en-us 2017-04-25 21:37:28 UTC 2025-11-01 07:22:08 UTC hello@padlet.com Hydrogen-H 3011694 https://padlet.com/3011694/gaelramirez/wish/168242379 Atomic #1
Is present in all organic compounds]]> 2017-04-25 21:40:45 UTC https://padlet.com/3011694/gaelramirez/wish/168242379 Oxygen-O 3011694 https://padlet.com/3011694/gaelramirez/wish/168242854 Atomic #8
All living things require Oxygen]]> 2017-04-25 21:44:49 UTC https://padlet.com/3011694/gaelramirez/wish/168242854 H-Helium 3011694 https://padlet.com/3011694/gaelramirez/wish/168243581 Atomic #2
Helium is lighter than air]]> 2017-04-25 21:51:42 UTC https://padlet.com/3011694/gaelramirez/wish/168243581 Iron-Fe 3011694 https://padlet.com/3011694/gaelramirez/wish/168506285 Atomic # 26
iron rust with lemon juice or with water and oxygen.]]> 2017-04-26 21:35:20 UTC https://padlet.com/3011694/gaelramirez/wish/168506285