How do the proportions of dissolved organic substances differ from the proportions of dissolved sea salts?

When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

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