In chemistry, the characteristics a substance possesses by virtue of its composition.
Physical properties of a substance can be measured by physical means, for example boiling point, melting point, hardness, elasticity, color, and physical state. Chemical properties are the way it reacts with other substances;whether it is acidic or basic, an oxidizing or a reducing agent, a salt, or stable to heat, for example. + prikaži više

1. Due
2. Respect
3. Credit