Which atom goes in the center and why? Oxygen, less lonely e- and more electronegative. Oxygen, more lonely e- and less electronegative. Silicon, more lonely e- and less electronegative. Silicon, less lonely e- and more electronegative.

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

What is the lowest number energy level where a d sublevel is found

Identify the lewis acid in this balanced equation: ag+ + 2nh3 -> ag(nh3)2+a. ag+b. nh3c. ag(nh3)2+