Which of the following elements could replace copper in a single replacement reaction? A. gold
B. lithium
C. sodium
D. lead

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

How many moles of kci are produced from 2.50 moles k