Amixture can be classified as a solution suspension or colloid based on the? a. number of particles it contains b. size of its largest particles c. color of its particles d. number of elements it contains.

A mixture can be classified as a solution, suspension or colloid based on the SIZE OF ITS LARGEST PARTICLES.
A solution is made up of small particles that can not be seen with the naked eyes. The particles of of a suspension are larger and can be seen with the naked eyes. The particle size of the colloid is not as small as that of a solution and not as big as that of a suspension.

Mg-26 and mg-24 are pair of isotopes. isotopes are defined as atoms of the same element having same atomic number but different mass number. i hope that was .