Because its in group one....which only lose or gain electrons.....thus it will only have oneelectron to fulfill its octect rule
I believe that the best answer among the choices provided by the question is <span>It is the difference between reactant energy and maximum energy.
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Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
.50 M KCl because 5% is the same as .05, which makes the .50M more concentrated.
Answer:
5
Explanation:
An atom has the same number of protons and electrons
