Which formula correctly represents the composition of iron (iii) oxide?
(1) feo3 (3) fe3o(2) fe2o3 (4) fe3o2

Which is a character of nuclear fusion but not nuclear fission

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.