I’m stup!d.
please help:(

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

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.