3. (3 pt) Select a valid excited state electron configuration for an uncharged atom of C. a. 1s 2s22p

b. 1s22s22p2

C. 1s22s22p+352

d. 1s22s22p1

e. There's no way to tell

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

What is the percentage composition of carbon in the compound ch4

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.