Elect the correct answer. Which atom or ion is the largest?

A.
K
B.
K+
C.
Ca
D.
Ca2+
E.
Li

Compare and contrast physical changes with chemical changes.

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

How is an endothermic reaction identified