If you wanted a three-dimensional sense of the shape of a molecule and you were not interested in the internal bonds, which model would you use? structural formula skeletal formula space-filling model ball-and-stick model

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.

Name a brittle metal , which is used to galvanize iron

Can anyone answer these questions? ? i need it before 1: 00pm today