Is sodium iodide a compound?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

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.

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?