ELEMENT TASK (: by Emily Ly https://padlet.com/emmixly/fcsttxl1l446 Made with a dash of ace en-us 2018-07-30 04:11:42 UTC 2026-02-27 21:09:02 UTC hello@padlet.com Europium emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/271415490 2018-07-30 04:17:03 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/271415490 What is special about lanthanide and actinide elements? emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/271415592 Lanthanide and actinide elements are special because they're radioactive.

]]> 2018-07-30 04:18:04 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/271415592 What is the radioactive symbol? emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/271652285 The radioactive is needed to warn people to protect themselves from being exposed to radioactivity.]]> 2018-08-01 09:13:49 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/271652285 What do the vertical columns in the periodic table represent? emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272035262 The vertical columns in the periodic table represent the 'groups' or 'families'.  ]]> 2018-08-06 04:01:02 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272035262 What do the horizontal rows in the periodic table represent? emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272035638 The horizontal rows in the periodic table represent the 'periods'.]]> 2018-08-06 04:05:51 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272035638 What's the general name given to elements in group 1? emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272035974 The general name given to elements in group 1 is 'alkali metals'. This is because these elements form alkaline compounds. ]]> 2018-08-06 04:10:24 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272035974 What's the general name given to elements in group 2? emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272036311 The general name given to elements in group 2 is 'alkaline earth metals'. ]]> 2018-08-06 04:15:14 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272036311 What's the general name given to elements in group 7? emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272036588 The general name given to elements in group 7 is 'the halogens'.]]> 2018-08-06 04:18:22 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272036588 What's the general name given to elements in group 8? emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272039649 The general name given to elements in group 8 is 'transition metals'.]]> 2018-08-06 04:44:51 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272039649 Find the following information for your element: emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272039924 Name: Europium
Symbol: Eu
Atomic number: 63
Mass number: 151.964
State it exists in at room temperature: solid
Number of protons and electrons: 63 protons and electrons

 ]]> 2018-08-06 04:48:18 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272039924 Electron arrangement of Europium: emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272040407 2018-08-06 04:54:41 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272040407 Properties of Europium emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272040663 Physical appearance: Bright, shiny surface. Its colour is steel gray.
Melting point: 826 degrees celsius.
Boiling point: 1489 degrees celsius.
Density: 5.24 grams per cubic centimetre.
Power: Europium is the most active of the lanthanides. ]]> 2018-08-06 04:57:27 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272040663 How does your element react? emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272041305 Europium reacts with water. It reacts slowly to cold water and quite quickly with hot water, forming hydroxide and hydrogen gas. It also reacts to oxygen. ]]> 2018-08-06 05:05:34 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272041305 emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272055142 2018-08-06 08:18:24 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272055142 List some uses of your element emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272055413 Unfortunately, there are no important uses for europium. ]]> 2018-08-06 08:23:55 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272055413 Who discovered Europium? emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272056432 Europium was founded by Eugène-Anatole Demarçay. ]]> 2018-08-06 08:42:29 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272056432 Interesting facts about Europium emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272057306 1) Europium was named after the continent of Europe.
2) Europium has been identified in the sun and some stars.
3) Europium is about as hard as lead.
4) Europium very quickly oxidises.]]> 2018-08-06 08:56:51 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272057306 Health risk associated with Europium emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272057777 Although it hasn't bee full investigated, Europium salts could mildly be toxic if it has ben ingested.]]> 2018-08-06 09:05:06 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272057777 emmixly https://padlet.com/emmixly/fcsttxl1l446/wish/272058496 2018-08-06 09:19:06 UTC https://padlet.com/emmixly/fcsttxl1l446/wish/272058496