What is a decay chain
a. one element decaying into another, which decays into another
b. a list of radioactive substances organized by atomic weights
c. an accumulation of particles emitted through radioactive decay
d. a list of radioactive substances organized by half life times
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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.