Measurement of a physical property does not change the identity of the substance; however, measurement of a
chemical property occurs as the identity of the substance
changes.

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.