You can hear sounds around the corner of a door due to the wave interaction called diffraction.

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.

Once similarity and one difference between a mixture of elements and a mixture of compounds

What is the oxidation state of each individual carbon atom in c2o42−?