Answer:
the metal loses electrons to become a positively charged cation
Explanation:
Each scientist could be working on the problem for different reason. Or, each scientist could be focused on different elements of the problem, concluding in different conclusions between the scientist.
Orbiting or revolving could fit the term
1,3,2,2 would be the coefficients from left to right
Sorry for the late response but for this question, the answer is 3 moles of water.