https://padlet.com/302328/hzi7hmvbbkuf Made with a little mischief en-us 2017-04-25 17:17:47 UTC 2026-03-07 19:51:35 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Rugbyball.png 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168179849 Is a Greek symbol of alpha and metallic rays representative of the element  as a source alpha radiation and also the origin of the name]]> 2017-04-25 17:25:39 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168179849 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168180473 2017-04-25 17:27:27 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168180473 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168182582 It is important because it help breath on earth and make us to be alive.]]> 2017-04-25 17:33:08 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168182582 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168183111 2017-04-25 17:34:36 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168183111 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168184281 it is important because to drink water and make our body have more energy and stay up long through out the day.]]> 2017-04-25 17:37:55 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168184281 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168184742 2017-04-25 17:39:07 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168184742 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168185191 carbon needs it to regrow and reproduce it part]]> 2017-04-25 17:40:13 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168185191 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168185932 2017-04-25 17:41:55 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168185932 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168186398 neon is important be to help to see in the dark and help us to move in our body ]]> 2017-04-25 17:43:09 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168186398 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168187566 2017-04-25 17:46:11 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168187566 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168188175 Nitrogen is a naturally occurring element that is essential for growth and reproduction in both plants and animals. ]]> 2017-04-25 17:47:52 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168188175 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168188486 2017-04-25 17:48:43 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168188486 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168188896 Amorphous boron is used as a rocket fuel igniter and in pyrotechnic flares.]]> 2017-04-25 17:49:55 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168188896 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168190013 2017-04-25 17:53:01 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168190013 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168410481 T]]> 2017-04-26 15:35:40 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168410481 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168442961 2017-04-26 17:10:31 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168442961 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168443230 Radon is a naturally occurring radioactive gas and comes from the natural breakdown (radioactive decay) of uranium. It is usually found in igneous rock and soil, but in some cases, well water may also be a source of radon.]]> 2017-04-26 17:11:18 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168443230 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168443718 lithium is the first member of the alkali metal family. ... Lithium has a number of important and interesting uses. In recent years, it has been used to make lightweight, efficient batteries.]]> 2017-04-26 17:12:44 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168443718 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168444047 2017-04-26 17:13:41 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168444047 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168444166 he most important use of platinum is in vehicles, as a catalytic converter, facilitating the complete combustion of unburned hydrocarbon passing through the exhaust]]> 2017-04-26 17:14:01 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168444166 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168444710 2017-04-26 17:15:37 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168444710 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168444859 Mercury causes neurological damage in humans and contaminates ecosystems far from its original point of release.]]> 2017-04-26 17:16:01 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168444859 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168445332 2017-04-26 17:17:16 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168445332 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168445689 Tungsten is used in filaments in incandescent light bulbs, it is also used in electric contacts and arc-welding electrodes]]> 2017-04-26 17:18:14 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168445689 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168446149 2017-04-26 17:19:31 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168446149 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168446284 Copper is useful because it is relatively soft, and transmits both heat and electricity well. ... Copper is an excellent electrical conductor and so it is used in electrical wiring and electronics. ]]> 2017-04-26 17:19:54 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168446284 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168446390 2017-04-26 17:20:13 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168446390 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168446843 Nickel resists corrosion and is used to plate other metals to protect them. It is, however, mainly used in making alloys such as stainless steel. Ni chrome is an alloy of nickel and chromium with small amounts of silicon, manganese and iron.]]> 2017-04-26 17:21:31 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168446843 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168447126 2017-04-26 17:22:23 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168447126 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168447496 Cobalt-60 is a radioactive isotope. It is an important source of gamma-rays. It is widely used in cancer treatment, as a tracer and for radiotherapy. Cobalt is found in the minerals cobaltite, skutterudite and erythrite.]]> 2017-04-26 17:23:29 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168447496 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168447687 2017-04-26 17:24:01 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168447687 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168447776 Manganese is a trace mineral that is present in tiny amounts in the body. ...Manganese helps the body form connective tissue, bones, blood clotting factors, and sex hormones. It also plays a role in fat and carbohydrate metabolism, calcium absorption, and blood sugar regulation.]]> 2017-04-26 17:24:17 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168447776 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168447963 2017-04-26 17:24:45 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168447963 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168448297 Scandium has only a very few uses, one of which is to make very bright mercury-vapor lamps that produce light that is remarkably similar to natural sunlight, which is important in the use of color television cameras. Scandium is a light metal, with a very high melting point.]]> 2017-04-26 17:25:33 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168448297 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168448840 2017-04-26 17:26:55 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168448840 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168448979 Calcium also plays an important role in muscle contraction, transmitting messages through the nerves, and the release of hormones. If people aren't getting enough calcium in their diet, the body takes calcium from the bones to ensure normal cell function, which can lead to weakened bones.]]> 2017-04-26 17:27:18 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168448979 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168449165 2017-04-26 17:27:52 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168449165 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168449504 Zinc is found in cells throughout the body. It is needed for the body's defensive (immune) system to properly work. It plays a role in cell division, cell growth, wound healing, and the breakdown of carbohydrates. Zinc is also needed for the senses of smell and taste]]> 2017-04-26 17:28:45 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168449504 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168449960 2017-04-26 17:29:56 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168449960 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168450138 a gray cube that can be squash into parts ]]> 2017-04-26 17:30:24 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168450138 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168450595 2017-04-26 17:31:48 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168450595 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168451370 Gallium can form a very lustrous mirror when painted on glass. It is also used to wet glass and ceramics. ... Gallium easily bonds with most metals and is often added to low-melting alloys. Gallium nitrite and gallium arsenic are important materials for making semiconductors and light-emitting diodes (LED's).]]> 2017-04-26 17:33:59 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168451370 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168451895 2017-04-26 17:35:24 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168451895 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168451995 The chemical element bohrium is classed as a transition metal. It was discovered in 1981 by scientists at the GSI in Darmstadt, Germany. Bohrium is named after Niels Bohr, who was awarded the 1922 Nobel Prize in Physics for the investigation of the structure of atoms and of the radiation emanating from them.]]> 2017-04-26 17:35:45 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168451995 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168452427 2017-04-26 17:36:57 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168452427 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168452861 Tin has many uses. It takes a high polish and is used to coat other metals to prevent corrosion, such as in tin cans, which are made of tin-coated steel. Alloys of tin are important, such as soft solder, pewter, bronze and phosphor bronze.]]> 2017-04-26 17:38:03 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168452861 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168453246 2017-04-26 17:39:02 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168453246 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168453415 The largest use of the element is as its oxide yttria, Y₂O₃, which is used in making red phosphors for color television picture tubes. Yttrium metal has found some use alloyed in small amounts with other metals and It is used to increase the strength of aluminium and magnesium alloys.]]> 2017-04-26 17:39:29 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168453415 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168453721 2017-04-26 17:40:23 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168453721 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168453928 The image is based on the asteroid Ceres, after which the element is named. The background is based on an early 17th-century astronomical map. Cerium is a grey metal. It is little used because it tarnishes easily, reacts with water and burns when heated.]]> 2017-04-26 17:40:54 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168453928 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168454558 2017-04-26 17:43:06 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168454558 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168454731 Bismuth is a high-density, silvery, pink-tinged metal. Bismuth metal is brittle and so it is usually mixed with other metals to make it useful. Its alloys with tin or cadmium have low melting points and are used in fire detectors and extinguishers, electric fuses and solders.]]> 2017-04-26 17:43:39 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168454731 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168454912 2017-04-26 17:44:13 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168454912 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168455225 Curium. Named after Pierre and Marie Curie. Curium is a hard, brittle, silvery metal that tarnishes slowly in dry air at room temperature. Curium does not occur naturally; it is typically produced artificially in nuclear reactors through successive neutron captures by plutonium and americium isotopes.]]> 2017-04-26 17:45:07 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168455225 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168456018 t is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores. Osmium is the densest naturally occurring element, with a density of 22.59 g/cm³.]]> 2017-04-26 17:47:36 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168456018 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168456755 Cf is a very efficient source of neutrons, which makes it a useful element. Currently, it is used in the oil well industry. Californium can be used in devices called neutron moisture gauges that find oil-and water-bearing layers within the wells.]]> 2017-04-26 17:50:02 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168456755 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168456957 2017-04-26 17:50:39 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168456957 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168457294 2017-04-26 17:51:48 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168457294 302328 https://padlet.com/302328/hzi7hmvbbkuf/wish/168457707 Terbium is classified as a rare earth element. The term is misleadingbecause terbium is more common than metals such as silver and mercury. The name "rare earth" meant something else to early chemists. It was used because the rare earth elements were very difficult to separate from each other.]]> 2017-04-26 17:53:14 UTC https://padlet.com/302328/hzi7hmvbbkuf/wish/168457707