https://padlet.com/2018mark00/sm6cgh7u7e0x By Mark Sopt-Per 3 en-us 2016-04-06 15:26:24 UTC 2016-04-13 15:39:25 UTC hello@padlet.com https://padlet-assets.storage.googleapis.com/portrait/sticky.jpg 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104387691 The group is of multiple elements that are similar.]]> 2016-04-06 15:31:55 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104387691 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104387692 A Period is a horizontal row of the periodic table.]]> 2016-04-06 15:31:55 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104387692 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104387810 They all have all have two valence electrons and form +2 cations.]]> 2016-04-06 15:32:09 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104387810 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104388985 Any type of various metallic elements like chromium, iron, and nickel that have valence electrons in two shells instead of only one.]]> 2016-04-06 15:35:30 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104388985 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389041 A heavy radioactive metallic elements of increasing atomic number]]> 2016-04-06 15:35:39 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389041 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389163 The group of carbon, silicon, germanium, tin, lead, and flerovium.]]> 2016-04-06 15:35:55 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389163 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389210 The group of Oxygen, Sulfur, Selerrium, Tellurium, and Potassium.]]> 2016-04-06 15:36:02 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389210 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389273  The elements are helium , neon, argon, krypton, xenon, radon, and element Ununoctium.]]> 2016-04-06 15:36:13 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389273 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389615 They are at the bottom of the periodic table.]]> 2016-04-06 15:37:11 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389615 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389638 The group of the periodic table, comprising boron, aluminium, gallium, indium, thallium.]]> 2016-04-06 15:37:15 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389638 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389725 The group of nitrogen, phosphorus, arsenic, antimony, bismuth, ununpentium.]]> 2016-04-06 15:37:23 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389725 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389814 Reactive nonmetallic elements that form strongly acidic compounds with hydrogen.]]> 2016-04-06 15:37:39 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104389814 2018mark00 https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104390741 Very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides.]]> 2016-04-06 15:40:26 UTC https://padlet.com/2018mark00/sm6cgh7u7e0x/wish/104390741