What is the quantum number set of the ground-state electron that is found in lithium (LI) but not in helium (He)? O (1, 0, 0, +12)
O (1,0, 1, +V2)
O (2, 0, 0, +V2)
O (2,0, 1, +12)

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.