Answer:
Bubbles will be formed when two solutions will be combined.
Explanation:
When the solution containing
and
as a solute will be combined, the reaction will be as follows,

As a result of combination of the two solutions bubbles will be formed which will depict the evolution of carbon dioxide gas.
Answer:
metals and nonmetal ions
Explanation:
Ionic bonds form when a nonmetal and a metal exchange electrons, while covalent bonds form when electrons are shared between two nonmetals. An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.
37.5 for median ( first organize from least to greatest, elimate from each side until you get to center then add two numbers and divide by two.) Hope that helps.