Actualités 7/group
Group 7 - the halogens - Edexcel
Sun, 13 Oct 2024 05:08:00 GMT
The graph shows the melting and boiling points of the first four group 7 elements. Astatine is placed below iodine in group 7. Predict the melting and boiling points of astatine, and its state at ...
E7 group
Sun, 03 Nov 2024 12:32:00 GMT
In mathematics, the Lie algebra E7½ is a subalgebra of E8 containing E7 defined by Landsberg and Manivel in order to fill the "hole" in a dimension formula 3 21 polytope polytope is a uniform ...