7. How many grams of oxygen are produced by the decomposition of 1.00 g of potassium chlorate, KCIO3?
2 KCIO32 KCI + 3 O2

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.