https://padlet.com/2018alejandro01/y75avgir7ebs en-us 2016-04-05 15:56:20 UTC 2026-01-08 12:29:59 UTC hello@padlet.com https://padlet-assets.storage.googleapis.com/portrait/smiley.jpg 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104166497 metals in the first period of the periodic table.]]> 2016-04-05 16:00:13 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104166497 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104166906  these metals are different because they are less reactive and they are group 2 in the periodic table ]]> 2016-04-05 16:01:43 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104166906 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104167911 group 5 is nitrogen group that contains 5 outside electrons. Nitrogen is 80% of the air we breathe. ]]> 2016-04-05 16:05:44 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104167911 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104168223 Transition metals are groups 3-12 and contain 1-2 outer electrons]]> 2016-04-05 16:06:48 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104168223 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104168566 group 6 is oxygen group its group has 6 outside electrons.
20% of oxygen we breathe only 20% because nitrogen contains 80%]]> 2016-04-05 16:07:45 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104168566 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104188162 57-71 group 6 are lanthanides and these group metals are  shiny, and reactive.]]> 2016-04-05 17:10:28 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104188162 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104188407 group 3 is the boron group that has 3 electrons outside and these substance are reactive.]]> 2016-04-05 17:11:16 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104188407 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104188613 group 4 is carbon group which has 4 electrons outside. Reactivity varies among the elements and carbon is uncombined in nature.]]> 2016-04-05 17:11:51 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104188613 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104188720 group 7 is halogens and it has 7 outside electrons. the whole group is  very reactive and are nonmetals.]]> 2016-04-05 17:12:15 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104188720 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104651615 89-13 group 7 are actinides these substance a really dangerous because it has radioactive the element that can change into atoms of another element and it is ]]> 2016-04-07 17:11:39 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/104651615 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/105119936 its a verticle line in the periodic table]]> 2016-04-11 16:39:27 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/105119936 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/105121504 when something is repeatedly repeated. ]]> 2016-04-11 16:44:38 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/105121504 2018alejandro01 https://padlet.com/2018alejandro01/y75avgir7ebs/wish/105129449 group 8 is nobel gases that contains 8 outside atoms and all of the substance in the group are unreactive and are nonmetals.]]> 2016-04-11 17:11:23 UTC https://padlet.com/2018alejandro01/y75avgir7ebs/wish/105129449