Which element has the following electron configuration: 1s²2s²2p⁶3s²3p⁶4s²3d104p⁶5s²4d105p⁶ 6s²5d¹4f145d⁶

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.