Look at the illustration above and identify one source of iron that comes to Earth from

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

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.