Is the answer b or no which gas makes up 78% of earths atmosphere? a. methane. b. nitrogen. c. oxygen. d. carbon dioxide.

05.06 percent yield lab report answers

If you want to create an electrical current, which situation would produce a solution capable of this

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.