https://padlet.com/300942/edauiuln8t3v en-us 2017-04-25 20:35:41 UTC 2023-05-29 22:50:29 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Pictureland.png 300942 https://padlet.com/300942/edauiuln8t3v/wish/168233919 Hydrogen is present in all organic compounds. ]]> 2017-04-25 20:40:42 UTC https://padlet.com/300942/edauiuln8t3v/wish/168233919 300942 https://padlet.com/300942/edauiuln8t3v/wish/168234538  It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table.]]> 2017-04-25 20:44:48 UTC https://padlet.com/300942/edauiuln8t3v/wish/168234538 300942 https://padlet.com/300942/edauiuln8t3v/wish/168236318 You might find lithium in everyday objects, such as medicines and batteries. ]]> 2017-04-25 20:56:03 UTC https://padlet.com/300942/edauiuln8t3v/wish/168236318 300942 https://padlet.com/300942/edauiuln8t3v/wish/168236786 This is important because this will let us live with other things in the world. ]]> 2017-04-25 20:58:54 UTC https://padlet.com/300942/edauiuln8t3v/wish/168236786 300942 https://padlet.com/300942/edauiuln8t3v/wish/168499803  It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.]]> 2017-04-26 20:45:18 UTC https://padlet.com/300942/edauiuln8t3v/wish/168499803 300942 https://padlet.com/300942/edauiuln8t3v/wish/168500315 It is the fifth most abundant element in the universe and makes up about 78% of the earth's atmosphere]]> 2017-04-26 20:49:32 UTC https://padlet.com/300942/edauiuln8t3v/wish/168500315 300942 https://padlet.com/300942/edauiuln8t3v/wish/168501054 It is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions.]]> 2017-04-26 20:54:53 UTC https://padlet.com/300942/edauiuln8t3v/wish/168501054 300942 https://padlet.com/300942/edauiuln8t3v/wish/168501292 Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air.]]> 2017-04-26 20:56:50 UTC https://padlet.com/300942/edauiuln8t3v/wish/168501292 300942 https://padlet.com/300942/edauiuln8t3v/wish/168501574 Sodium is a chemical element with symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal.]]> 2017-04-26 20:59:13 UTC https://padlet.com/300942/edauiuln8t3v/wish/168501574 300942 https://padlet.com/300942/edauiuln8t3v/wish/168501807  Chemical element, metallic, symbol Mg, situated in group IIa in the periodic table, atomic number: 12, atomic weight: 24,312.]]> 2017-04-26 21:01:01 UTC https://padlet.com/300942/edauiuln8t3v/wish/168501807 300942 https://padlet.com/300942/edauiuln8t3v/wish/168502143 t is a silvery-white, soft, nonmagnetic, ductile metal.]]> 2017-04-26 21:04:05 UTC https://padlet.com/300942/edauiuln8t3v/wish/168502143 300942 https://padlet.com/300942/edauiuln8t3v/wish/168502339  A hard and brittle crystalline solid with a blue-gray metallic luster, it is a tetravalent metalloid.]]> 2017-04-26 21:05:56 UTC https://padlet.com/300942/edauiuln8t3v/wish/168502339 300942 https://padlet.com/300942/edauiuln8t3v/wish/168502644 As an element, phosphorus exists in two major forms—white phosphorus and red phosphorus—but because it is highly reactive]]> 2017-04-26 21:08:39 UTC https://padlet.com/300942/edauiuln8t3v/wish/168502644 300942 https://padlet.com/300942/edauiuln8t3v/wish/168502901 It is abundant, multivalent, and nonmetallic.]]> 2017-04-26 21:10:57 UTC https://padlet.com/300942/edauiuln8t3v/wish/168502901