30 most important elements padlet by Estevan Rios Ornelas https://padlet.com/301553/v3gcrmelbe4d Made with a little mischief en-us 2017-04-25 16:26:41 UTC 2017-04-25 16:54:38 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Thunder.png O- Oxygen- atomic number 8 301553 https://padlet.com/301553/v3gcrmelbe4d/wish/168164798 oxygen is everywhere 


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