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carl creates the model of a diamond shown below. his model shows atoms of carbon in a crystalline structure. what can carl determine about diamonds using his model?

group of answer choices

a diamond is a mixture because it is made of compounds.

a diamond is an impure substance because it made of mixtures.

a diamond is a pure substance because it is made of one element.

a diamond is a mixture because it is made of elements.

(here is the pic)

A diamond is a pure substance because it is made of one element.

Explanation:

From the crystalline structure model of the diamond, we can see that we only have just one element represented by the green balls connected in a cross linked fashion to one another. Therefore, one can rightly conclude that this is a pure substance made up of one element.

In a pure substance, all parts are homogeneous and composition is definite.

a is the answer

explanation:

which statement about trans-fatty acids is false?

a. the conversion of cis-fatty acids to trans-fatty acids is inhibited by the presence of antioxidants.

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