https://padlet.com/2018ulises00/fpmpo65iphq2 en-us 2016-04-06 13:56:46 UTC 2025-07-13 15:39:48 UTC hello@padlet.com 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104593879 A vertical column of elements in the periodic table that share chemical properties. ]]> 2016-04-07 14:01:32 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104593879 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104594403 A period is a horizontal row of elements in the periodic table with a repeating pattern.]]> 2016-04-07 14:03:17 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104594403 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104595019 Alkali metals are the first group in the periodic table. They are also the most reactive because they only have one outer electron and only contain metals. ]]> 2016-04-07 14:05:30 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104595019 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104595492 The second group in the periodic table. Alkaline-earth metals are very reactive but less reactive than Alkali metals because they have two outer electrons. Alkaline-earth metals are also only metals.]]> 2016-04-07 14:07:04 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104595492 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104596332 Group 3-12 in the periodic table. Less reactive than Alkaline-earth metals. They have 1-2 outer electrons because they move around so there is no determined number.]]> 2016-04-07 14:10:03 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104596332 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104597384 The lanthanide series is a row of elements in between elements 57 and 72. The lanthanide series is also part of the transition metals and are shiny.]]> 2016-04-07 14:13:28 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104597384 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104599058 The actinide series is a row of elements between the elements 89 and 104. All atoms of the actinide series are unstable or radioactive.]]> 2016-04-07 14:19:05 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104599058 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104720597 The boron group's first element is Boron like the name. Contains one metalloid and five metals. Three electrons on outer level. The boron group solids at room temperature.]]> 2016-04-08 00:49:04 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104720597 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104721173 Carbons first element is carbon like the name. Contains a nonmetal, two metalloids, and three metals. Four electrons on outer level. The carbon group solids at room temperature. ]]> 2016-04-08 00:55:29 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104721173 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104722651 The nitrogen group contains two nonmetals, two metalloids, and two metals. Have 5 electrons in the outer level. The reactivity varies among elements and they all solid at room temperature (except nitrogen).]]> 2016-04-08 01:08:33 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104722651 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104723167 The oxygen group contains three nonmetals, one metalloid, and one metal. They have six electrons on the outer level. All but oxygen solid at room temperature]]> 2016-04-08 01:14:07 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104723167 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104723518 Halogens are very reactive, contain only nonmetals, have 7 electrons in the outer level, are poor conductors and have violent reactions when combined with alkali metals. Fluorine is the first element in the Halogens group.]]> 2016-04-08 01:19:24 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104723518 2018ulises00 https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104723542 Noble gases contain nonmetals, are nonreactive, have 8 electrons except helium which has 2. Noble gases are colorless odorless gases at room temperature. Noble gases can be used for lights like the picture below.]]> 2016-04-08 01:19:47 UTC https://padlet.com/2018ulises00/fpmpo65iphq2/wish/104723542