Protactinium by Alicia https://padlet.com/820090/wcc52qn8424d element project en-us 2018-05-25 20:45:56 UTC 2026-01-18 10:41:02 UTC hello@padlet.com What the element looks like 820090 https://padlet.com/820090/wcc52qn8424d/wish/263739429 2018-05-25 21:20:43 UTC https://padlet.com/820090/wcc52qn8424d/wish/263739429 Is the protactinium rare and is it radioactive? 820090 https://padlet.com/820090/wcc52qn8424d/wish/264306039 It is one of the rarest and most expensive element and yes, protactinium is  radioactive and toxic.

]]> 2018-05-29 16:25:15 UTC https://padlet.com/820090/wcc52qn8424d/wish/264306039 Where does it occurs and what does it react with? 820090 https://padlet.com/820090/wcc52qn8424d/wish/264308290 It occurs in Earth's crust. It  reacts with oxygen, water vapor, and  acid. ]]> 2018-05-29 16:32:49 UTC https://padlet.com/820090/wcc52qn8424d/wish/264308290 What is its atomic number and weight 820090 https://padlet.com/820090/wcc52qn8424d/wish/264310554 It weights about 231.03588 and its number is 91.]]> 2018-05-29 16:40:11 UTC https://padlet.com/820090/wcc52qn8424d/wish/264310554 What is its melting and boiling point? 820090 https://padlet.com/820090/wcc52qn8424d/wish/264314158 its melting point is 1845 K (1572°C or 2862°F) and its boiling point is unknown. ]]> 2018-05-29 16:52:00 UTC https://padlet.com/820090/wcc52qn8424d/wish/264314158 My element. 820090 https://padlet.com/820090/wcc52qn8424d/wish/264319895 My element is Protactinium and the abbrreviation is Pa.]]> 2018-05-29 17:10:55 UTC https://padlet.com/820090/wcc52qn8424d/wish/264319895 Where was the element found and what is the desity? 820090 https://padlet.com/820090/wcc52qn8424d/wish/264581194 The element was found in Germeny. The density is 15.37 grams per cubic centimeter.]]> 2018-05-30 16:35:07 UTC https://padlet.com/820090/wcc52qn8424d/wish/264581194 How much protons, neutrons, and electrons does protactinium have? 820090 https://padlet.com/820090/wcc52qn8424d/wish/264600879 Protactinium has 91 protons and electrons. It has 140 neutrons.]]> 2018-05-30 17:45:40 UTC https://padlet.com/820090/wcc52qn8424d/wish/264600879 what group,period, and Block is it in? 820090 https://padlet.com/820090/wcc52qn8424d/wish/264605020 It is in group Actinides, in period 7, in block f.]]> 2018-05-30 17:59:29 UTC https://padlet.com/820090/wcc52qn8424d/wish/264605020 what are its uses? 820090 https://padlet.com/820090/wcc52qn8424d/wish/264821072  Due to it being  high radioactivity and how toxic it is, there are currently no uses for protactinium outside research.]]> 2018-05-31 15:41:44 UTC https://padlet.com/820090/wcc52qn8424d/wish/264821072