The different combinations of cations and anions created by the student is 1 point
recorded in the data table shown below. Which statement below best
predicts the solubility of each combination in water

A. Combination #1 = insoluble, Combination #2 = insoluble

B. Combination #1 = soluble, Combination #2 = soluble

C. Combination #1 = insoluble, Combination #2 = soluble

D. Combination #1 = soluble, Combination #2 = insoluble

Compare and contrast physical changes with chemical changes.

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.

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?