the group of elements called the noble gases typically do not chemically react with other elements. this is true because noble gases tend to have A- more protons b- fewer neutrons than other electrons c- full outer shell of valence electrons d- a single valence electron in the outer shell​

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

Nonmetal halogen family atmoic mass 35

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.