Which of the following is NOT an empirical formula?
Question 4 options:

SF6

CCl4

C2H6

H2CO3

This graph gives information on changes in sea ice extent in the arctic ocean over a 30-year span. the overall trend shows in the ice extent. to address the trend, scientists need to ask themselves, one direct consequence of the trend is that

Explain why scientists use shared characteristics to make cladograms.

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons