https://padlet.com/294457/ovmxkw78in8y Made with an aura of mystery en-us 2017-04-25 17:25:39 UTC 2023-06-30 23:19:24 UTC hello@padlet.com 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168185912 Calcium as the element is a grey silvery metal.]]> 2017-04-25 17:41:51 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168185912 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168447342 arsenic-]]> 2017-04-26 17:23:02 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168447342 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168448731 Actinium is dangerously radioactive.]]> 2017-04-26 17:26:38 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168448731 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168449380 Pure aluminium is a silvery-white metal with many desirable characteristics]]> 2017-04-26 17:28:26 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168449380 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168449759 Metallic antimony is an extremely brittle metal of a flaky, crystalline texture]]> 2017-04-26 17:29:27 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168449759 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168450759 Copper appears in the periodic table at the top of Group 11 above silver and gold.]]> 2017-04-26 17:32:22 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168450759 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168452825 2017-04-26 17:37:58 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168452825 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168453447 Cobalt is a brittle, hard, silver-grey transition metal with magnetic properties similar to those of iron (ferromagnetic).]]> 2017-04-26 17:39:36 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168453447 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168454128 The metal is characterised by a spectrum containing two bright lines in the blue (accounting for its name). It is silvery gold, soft, and ductile. ]]> 2017-04-26 17:41:31 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168454128 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168454765 chlorine is a greenish yellow gas which combines directly with nearly all elements. ]]> 2017-04-26 17:43:47 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168454765 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168456227 Francium occurs as a result of α disintegration of actinium.]]> 2017-04-26 17:48:11 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168456227 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168456519 Dysprosium has a metallic, bright silver lustre. It is relatively stable in air at room temperature, but dissolves readily, with the evolution of hydrogen, in mineral acids]]> 2017-04-26 17:49:10 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168456519 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168456973 rancium occurs as a result of α disintegration of actinium.f]]> 2017-04-26 17:50:41 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168456973 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168457418 deficient animals require 50% more food to gain the same weight of an animal supplied with adequate amounts of zinc]]> 2017-04-26 17:52:16 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168457418 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168457791 Mercury was known to ancient Chinese and Hindus before 2000 BC and was found in tubes in Egyptian tombs dated from 1500 BC It was used to forma amalgams of other metals around 500 BC. ]]> 2017-04-26 17:53:29 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168457791 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168458369 Argon is a colourless and odourless gas present to a very small extent in the atmosphere. ]]> 2017-04-26 17:55:23 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168458369 294457 https://padlet.com/294457/ovmxkw78in8y/wish/168458850 Metallic cerium is prepared by reduction techniques, such as by reducing cerous fluoride with calcium, or by electrolysis of molten cerous chloride or other cerous halides.]]> 2017-04-26 17:56:55 UTC https://padlet.com/294457/ovmxkw78in8y/wish/168458850