Quote of the Day
Fresh quotes
Topics
Authors
I'm Feeling Lucky
Disable ads!
«
Certain characteristic properties of elements can be foretold from their atomic weights.
»
Dmitri Mendeleev
0
Certain
Elements
Atomic
Select type of the error:
Select type of the error
wrong author
unsuitable picture
grammatical error
punctuation error
unsuitable tags
other
Describe the problem a bit more:
Submit
Please enable JavaScript to view the comments powered by Disqus.
Background photo by Giuliana
