Name the two types of particles that make up a water particle

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

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.

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa