STRANGE GREEN ROCK FOUND ON MARS, OTHER SCIENCE NEWS, AND #DEARMOONCREW: [united-cats.com]
5
Enjoy being online again!
Welcome to the community of good people who base their values on evidence and appreciate civil discourse - the social network you will enjoy.Create your free account
4 comments
Feel free to reply to any comment by clicking the "Reply" button.
From [answers.com]
The colour of copper (II) oxide is black, while that of copper ( I ) oxide is red. The green colour you see on the Statue of Liberty is because carbon dioxide in the air reacted with the copper to produce copper(II) carbonate, which is greenish-blue.
[ Being a critical thinker can be a time-consuming nuisance. ]
yvilletom
Level 8
Apr 7, 2021
1
Cool. The ghosts of Mars left it behind.
Beowulfsfriend
Level 9
Apr 6, 2021
2
Enjoy being online again!
Welcome to the community of good people who base their values on evidence and appreciate civil discourse - the social network you will enjoy.Create your free account
Share this post
Categories
Agnostic does not evaluate or guarantee the accuracy of any content. Read full disclaimer.