Answers

2015-10-15T13:24:18+05:30
A colloid is a solution that has particles ranging between 1 and 1000 nanometers in diameter, yet are still able to remain evenly distributed throughout the solution. These are also known as colloidal dispersions because the substances remain dispersed and do not settle to the bottom of the container.
Isotopes are which two different elements having atomic mass number same but atomic number is different
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