QUESTION 10 A 553 mg sample of aspirin was placed on a watch glass weighing 5.881 g. What is the combined weigh of the watch glass and the sample of aspirin?
Express your answer to the nearest milligram (£0.001 g).

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.