Question 1

Name three famous scientists who made contributions on chemical elements.

Accepted Answer

freetextm://Dmitri Mendeleev1:Antoine Lavoisier2:Marie Curie3

Question 2

What do you call the phenomenon that cannot be observed in solutions because the particles do not scatter the light?

Accepted Answer

freetext://Tyndall Effect

Question 3

Arrange the steps in calculating for the percentage of volume of solution.

Accepted Answer

ordering://Write the given data|1:Search the unknown data|2:Divide volume of solute by volume of solution|3:Multiply percent by volume by 100|4

Question 4

Sort the elements based on how their symbols are written.

Accepted Answer

sorting://First and second letters|Calcium, Aluminum:First and third letters|Chlorine, Arsenic:Latin Name|Gold, Sodium

Question 5

Classify mixtures according to its classes.

Accepted Answer

linking://hot coffee|homogeneous:milk tea with pearl|heterogeneous:vinegar and garlic|heterogeneous:salt and water|homogeneous

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