What is the electron configuration for sulfur? A. 1s2 2s2 2p6 3s2 3p4
B. 1s2 1p6 2s2 2p6 3s2
C. 1s2 2s2 2p6 3s2 3p3 4s1
D. 1s2 2s2 2p6 3p1 3d5t

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?

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.

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved