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At first scientists/researchers observe a natural phenomenon. after enough observation, they make predictions why that phenomenon is happening and the reasons that lead to that particular phenomenon. then they generate scientific hypothesis to explain that phenomenon and after getting enough data they develop tests and perform experiments. And check the results they get and at last based on the results they conclude what actually is happening.
Answered by : ❝ AǫᴜᴀWɪᴢ ❞
Answer:
Option C. The same number of energy levels.
Explanation:
From the diagram given above, element (i) belong to group 2 while element (ii) belong to group 6.
Also, both element i and ii belong to the same period (i.e period 4). This simply means that both element i and ii have the same number of energy levels.
NOTE: Elements in the same period have the same number of shells of electrons which simply means they have the same energy levels.
Based on the melting points of both substances in comparison, my guess is Sodium chloride and glucose are the mystery compounds.This is further explained below.
<h3>What is
Sodium chloride?</h3>
Generally, Salt's chemical name is sodium chloride. It is an electrolyte's job to keep your body's fluid balance in check.
In conclusion, Sodium chloride and glucose are the likely candidates based on their relative melting points.
Read more about Sodium chloride
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