Would calcium and magnesium ions react? why or why not?
a. no they would not react because both calcium and magnesium form positive ions.
b. no, they would not react because calcium is a nonmetal and magnesium is a metal.
c. yes they would react because they both form +2 ions which cancel each other out.
d. yes they would react because calcium is a nonmetal and magnesium is a metal.

Zinc contains about 30 protons 

The answer would be solvent

According to arrhenius theory of acid and bases, an acid is a proton donor, while base donates hydroxyl ions. further, acid and base reacts to form salt and water.consider following example.hcl    +      h2o          →      cl-          +      h3o+here, hcl has donated a proton, hence it is an acid.now consider following reactionhcl      +      naoh            ↔      nacl      +        h2oin this reaction, hcl donates proton, hence it is acid. on other hand, naoh donates hydroxyl ion (i.e. hence it is a base.   

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