Question

1. the diagram above shows the repeating groups of atoms that make up two samples. will the samples likely be the same or different? (examples of properties are smell, color, and the temperature a substance melts.)

a the properties will likely be different because the repeating groups of atoms that make up the samples are different.
b the properties will likely be different because there are more ting gro...
c the properties will likely be the same because the repeating groups of atoms that make up the samples have the same number of atoms.
d the properties will likely be the same because the repeating groups of atoms that make up the two samples have two of the same types of atoms.

Explanation:

To determine the correct answer, we analyze the relationship between the repeating groups of atoms (molecules or formula units) and the properties of a substance. The properties of a substance are determined by its chemical structure, which includes the types of atoms and their arrangement (the repeating groups).

• Option a: If the repeating groups of atoms are different, the substances will have different properties because the chemical structure (which determines properties like smell, color, melting point) is different. This aligns with the concept that the structure of a substance (the repeating units) dictates its properties.
• Option b: The number of atoms alone doesn't determine properties; it's the type and arrangement of atoms in the repeating groups. So this is incorrect.
• Option c: If the repeating groups have the same number of atoms but different types or arrangements, properties would differ. So this is incorrect.
• Option d: Just having the same types of atoms isn't enough—their arrangement in the repeating groups matters. So this is incorrect.

Answer:

a. The properties will likely be different because the repeating groups of atoms that make up the samples are different.