Determine whether each of the following compounds is a molecular compound or an ionic compound. How can you tell? a.) PBr₃
b.) KBr
c.) Iron (III) Oxide
d.) Carbon Tetraiodide

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

What is the empirical formula for c4h8o2