https://padlet.com/stacy_sun_jiechao/Bookmarks Made with swagger en-us 2017-04-06 07:19:07 UTC 2017-04-09 09:06:52 UTC hello@padlet.com stacy_sun_jiechao https://padlet.com/stacy_sun_jiechao/Bookmarks/wish/165540901 Please post your statements on "I used to think ... Now I think..." statements here. If you have any questions, please write as a separate post. See examples.]]> 2017-04-09 09:01:06 UTC https://padlet.com/stacy_sun_jiechao/Bookmarks/wish/165540901 stacy_sun_jiechao https://padlet.com/stacy_sun_jiechao/Bookmarks/wish/165540957 I used to think that only metals conduct electricity... Now I think that ionic compounds that are in the aqueous or molten states can conduct electricity. ]]> 2017-04-09 09:03:07 UTC https://padlet.com/stacy_sun_jiechao/Bookmarks/wish/165540957 stacy_sun_jiechao https://padlet.com/stacy_sun_jiechao/Bookmarks/wish/165540990 Question: I wonder why covalent compounds do not conduct electricity?]]> 2017-04-09 09:04:26 UTC https://padlet.com/stacy_sun_jiechao/Bookmarks/wish/165540990