8.
a student performing an investigation of chemical reactions mixes two aqueous solutions and observes
a change in color. color change is most indicative of which type of chemical reaction?
a neutralization
b precipitation
c oxidation-reduction
d acid-base

Which best describes why nh4+ can form an ionic bond with ci-?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x