Tessa was recording observations of some items around her classroom. She recorded a physical description of each item, the volume, and its mass. Tessa has made a physical description of her pencil, and she has obtained the volume. What tool would Tessa use to measure the mass of her pencil? A) ruler
B) beaker
C) balance
D) graduated cylinder

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.