Explain why saltwater is considered a mixture

If a substance is not at its melting or boiling point, as the heat content of a sample of matter increases, its temperature increases the number of intermolecular bonds decreases the space between particles increases the particles move faster

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids