https://padlet.com/303995/8ejo61x6xc5n en-us 2017-12-06 19:18:59 UTC 2025-11-08 15:36:30 UTC hello@padlet.com 303995 https://padlet.com/303995/8ejo61x6xc5n/wish/213877139 any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group of the periodic table.]]> 2017-12-06 19:24:34 UTC https://padlet.com/303995/8ejo61x6xc5n/wish/213877139 303995 https://padlet.com/303995/8ejo61x6xc5n/wish/213877290 Any of the metallic elements within Groups 3 through 12 in the Periodic Table. All thetransition metals have two electrons in their outermost shell, and all but zinc, andcadmium.]]> 2017-12-06 19:24:52 UTC https://padlet.com/303995/8ejo61x6xc5n/wish/213877290 303995 https://padlet.com/303995/8ejo61x6xc5n/wish/213877576 any of the series of fifteen metallic elements from actinium to lawrencium in the periodic table. They are all radioactive, the heavier members being extremely unstable and not of natural occurrence.]]> 2017-12-06 19:25:29 UTC https://padlet.com/303995/8ejo61x6xc5n/wish/213877576 303995 https://padlet.com/303995/8ejo61x6xc5n/wish/213877838 any of the series of fifteen metallic elements from lanthanum to lutetium in the periodic table.]]> 2017-12-06 19:25:56 UTC https://padlet.com/303995/8ejo61x6xc5n/wish/213877838 303995 https://padlet.com/303995/8ejo61x6xc5n/wish/213878499 any of the divalent strongly basic metals of group II of the periodic table comprising beryllium, magnesium, calcium, strontium, barium, and radium ]]> 2017-12-06 19:27:21 UTC https://padlet.com/303995/8ejo61x6xc5n/wish/213878499 303995 https://padlet.com/303995/8ejo61x6xc5n/wish/213880097 any of the elements lithium, sodium, potassium, rubidium, cesium, and francium, occupying Group IA of the periodic table]]> 2017-12-06 19:30:45 UTC https://padlet.com/303995/8ejo61x6xc5n/wish/213880097 303995 https://padlet.com/303995/8ejo61x6xc5n/wish/213880767 The control group is defined as the group in an experiment or study that does not receive treatment by the researchers]]> 2017-12-06 19:32:11 UTC https://padlet.com/303995/8ejo61x6xc5n/wish/213880767 303995 https://padlet.com/303995/8ejo61x6xc5n/wish/213880884  A period is the name given to a horizontal row of the periodic table. Period 1 contains only two elements: hydrogen and helium.]]> 2017-12-06 19:32:24 UTC https://padlet.com/303995/8ejo61x6xc5n/wish/213880884