Hep me please
Part D ends with neon Express your answer as an integer. 20

What happens to the atomic radius when an elctron is lost

One does not belong why? ice, gold ,wood ,diamond and table salt

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.