Consider the following list of substances. Separate the list into substances that corrode and substances that do not corrode.

Glass
Sodium
Magnesium
Sandstone
Calcium carbonate
Plastic
Sulfur
Calcium
Aluminium
Zinc

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.