periodic table by Ashley Martinez https://padlet.com/304907/w7pg7p931gyj Made with panache en-us 2017-12-06 16:22:53 UTC 2023-03-13 17:32:05 UTC hello@padlet.com 1.periods 304907 https://padlet.com/304907/w7pg7p931gyj/wish/213778238 a length or portion of time.]]> 2017-12-06 16:23:46 UTC https://padlet.com/304907/w7pg7p931gyj/wish/213778238 2.groups 304907 https://padlet.com/304907/w7pg7p931gyj/wish/213778770 a number of people or things that are located close together or are considered or classed together.]]> 2017-12-06 16:24:33 UTC https://padlet.com/304907/w7pg7p931gyj/wish/213778770 3.alkali metals 304907 https://padlet.com/304907/w7pg7p931gyj/wish/213779648 Definition of alkaline earth metal. : any of the divalent strongly basic metals of group II of the periodic table comprising beryllium]]> 2017-12-06 16:25:56 UTC https://padlet.com/304907/w7pg7p931gyj/wish/213779648 4.alkaline earth metals 304907 https://padlet.com/304907/w7pg7p931gyj/wish/213780331
  • They are reactive, electropositive, divalent metals, and form basic oxides that react with water to form comparatively insoluble hydroxides.



    • ]]>     2017-12-06 16:26:50 UTC https://padlet.com/304907/w7pg7p931gyj/wish/213780331     5.lanthanides 304907 https://padlet.com/304907/w7pg7p931gyj/wish/213782760 any of the series of fifteen metallic elements from lanthanum to lutetium in the periodic table.]]> 2017-12-06 16:30:16 UTC https://padlet.com/304907/w7pg7p931gyj/wish/213782760 6.actinides 304907 https://padlet.com/304907/w7pg7p931gyj/wish/213783493 They are all radioactive, the heavier members being extremely unstable and not of natural occurrence.]]> 2017-12-06 16:31:32 UTC https://padlet.com/304907/w7pg7p931gyj/wish/213783493 7. transition metals 304907 https://padlet.com/304907/w7pg7p931gyj/wish/213784499 Chemically they show variable valence and a strong tendency to form coordination compounds, and many of their compounds are colored.]]> 2017-12-06 16:33:08 UTC https://padlet.com/304907/w7pg7p931gyj/wish/213784499 8.noble gases 304907 https://padlet.com/304907/w7pg7p931gyj/wish/213785366 They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.]]> 2017-12-06 16:34:33 UTC https://padlet.com/304907/w7pg7p931gyj/wish/213785366