What is the first step that a scientist usually takes to solve a problem

Arecipe calls for 1.2 cups of oil. how many liters of oil is 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.

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-