Shari is wanting to create a solution. Which of these could Shari do to accomplish her goal? A. Run electrical current through a metal. B. Use evaporation to separate a solvent from a solute.
C. React two elements together to form ions.
E. Pour a solute into a solvent.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

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.

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: