https://padlet.com/1mmeidan/z1dicn52bcly Made with atoms 👨🏼‍🔬 en-us 2017-11-08 08:41:26 UTC 2025-04-24 13:24:57 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Dartstarget.png 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204714934 Hydrogen is a chemical element with symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element on the periodic table.]]> 2017-11-08 09:03:24 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204714934 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204715073 Helium is a chemical element with symbol He and atomic number 2.

]]> 2017-11-08 09:03:55 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204715073 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204715184 Lithium is a chemical element with symbol Li and atomic number 3. ]]> 2017-11-08 09:04:21 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204715184 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204716126 Beryllium is a chemical element with symbol Be and atomic number 4. ]]> 2017-11-08 09:07:55 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204716126 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204716304 Boron is a chemical element with symbol B and atomic number 5. ]]> 2017-11-08 09:08:45 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204716304 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204716412 Carbon is a chemical element with symbol C and atomic number 6.]]> 2017-11-08 09:09:17 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204716412 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204716526 Nitrogen is a chemical element with symbol N and atomic number 7. ]]> 2017-11-08 09:09:50 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204716526 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204716659 Oxygen is a chemical element with symbol O and atomic number 8. ]]> 2017-11-08 09:10:21 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204716659 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204717065 Fluorine is a chemical element with symbol F and atomic number 9. ]]> 2017-11-08 09:12:25 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204717065 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204717301 Neon is a chemical element with symbol Ne and atomic number 10.]]> 2017-11-08 09:13:20 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204717301 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204717854 Sodium is a chemical element with symbol Na and atomic number 11. ]]> 2017-11-08 09:15:54 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204717854 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204720414 Magnesium is a chemical element with symbol Mg and atomic number 12.]]> 2017-11-08 09:26:54 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204720414 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204744611 Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.]]> 2017-11-08 10:59:20 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204744611 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204775977 Silicon is a chemical element with symbol Si and atomic number 14.]]> 2017-11-08 12:57:23 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204775977 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204776208 Phosphorus is a chemical element with symbol P and atomic number 15. ]]> 2017-11-08 12:58:17 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204776208 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204776522 Sulfur or sulphur is a chemical element with symbol S and atomic number 16. ]]> 2017-11-08 12:59:31 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204776522 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204777608 Chlorine is a chemical element with symbol Cl and atomic number 17. ]]> 2017-11-08 13:03:03 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204777608 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204793789 Argon is a chemical element with symbol Ar and atomic number 18. ]]> 2017-11-08 13:40:46 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204793789 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204794263 Potassium is a chemical element with symbol K and atomic number 19. ]]> 2017-11-08 13:41:32 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204794263 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204795149 Calcium is a chemical element with symbol Ca and atomic number 20. ]]> 2017-11-08 13:43:23 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204795149 1mmeidan https://padlet.com/1mmeidan/z1dicn52bcly/wish/204796136 2017-11-08 13:45:28 UTC https://padlet.com/1mmeidan/z1dicn52bcly/wish/204796136