To determine whether the properties of the two samples are likely to be the same or different, we need to consider the nature of the repeating groups of atoms in each sample. Properties such as smell, color, and melting point are heavily influenced by the specific arrangement and types of atoms in a substance.
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Response a states that the properties will likely be different because the repeating groups of atoms are different, which is a valid point. Different atomic arrangements can lead to different physical and chemical properties.
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Response b suggests that the properties will likely differ because Sample 2 has more repeating groups of atoms. While the quantity of repeating units can affect material properties, it's more about how those atoms are arranged and what types they are that primarily determines the properties.
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Response c claims that the properties will be the same because the number of atoms is the same. However, the number of atoms alone is not sufficient to predict similarities in properties; the type, arrangement, and bonding of those atoms also matter significantly.
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Response d points out that properties will be the same if the samples contain two of the same types of atoms. However, even if they share the same element types, differences in arrangement and bonding can lead to entirely different properties.
Given these considerations, the best response is:
a. The properties will likely be different because the repeating groups of atoms that make up each sample are different.
This avenue correctly emphasizes the significance of the differences in atomic structure leading to variations in properties.
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