In the covalent compound CH3, the Greek prefix used to represent the anion is

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Which characteristics can be used to differentiate star systems? check all that apply.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule