https://padlet.com/301432/3sk7xuhtczs2 Made with good elemants en-us 2017-04-25 15:37:01 UTC 2024-08-13 05:57:23 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Lightdecrease.png 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168146052 Of all the rare gases, the discharge of neon is the most intense at ordinary voltages and currents]]> 2017-04-25 15:41:10 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168146052 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168151821 Oxygen is the third most abundant element found in the sun, and it plays a part in the carbon-nitrogen cycle, one process responsible for stellar energy production]]> 2017-04-25 15:58:00 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168151821 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168408750 The element has two allotropic forms. On warming, grey, or α-tin, with a cubic structure, changes at 13.2°C into white, or β-tin, the ordinary form of the metal]]> 2017-04-26 15:30:26 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168408750 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168410808 The metal burns in air and is the only element that burns in nitrogen]]> 2017-04-26 15:36:45 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168410808 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168412070 It is by far the most abundant element in the universe and makes up about about 90% of the universe by weight]]> 2017-04-26 15:40:09 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168412070 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168414438  It is not particularly rare and is more common than beryllium or tungsten for instance]]> 2017-04-26 15:45:17 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168414438 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168415501 Boron is a Group 13 element that has properties which are borderline between metals and non-metals (semimetallic)]]> 2017-04-26 15:48:34 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168415501 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168416357 t is found in abundance in the sun, stars, comets, and atmospheres of most planets]]> 2017-04-26 15:51:07 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168416357 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168417343 Collectively these are sometimes referred to as the coinage metals, although in modern times these metals are used less frequently than in the past]]> 2017-04-26 15:54:16 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168417343 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168418389 The gold colour seems related to relativistic effects of the outermost gold orbitals]]> 2017-04-26 15:56:59 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168418389 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168419757  Iron is a vital constituent of plant and animal life, and is the key component of haemoglobin]]> 2017-04-26 16:00:56 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168419757 301432 https://padlet.com/301432/3sk7xuhtczs2/wish/168421360 Slag dumps in Asia Minor and on islands in the Aegean Sea indicate that man learned to separate silver from lead as early as 3000 B.C. Pure silver has a brilliant white metallic lustre]]> 2017-04-26 16:05:42 UTC https://padlet.com/301432/3sk7xuhtczs2/wish/168421360