What mass would release 2620j of heat when cooled 50 degrees c?
a. 25 g
b. 12.5
c. 50g
d. 36g

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

What will most likely happen when two bromine atoms bond together?

What is the mass of 0.46 mol of mgcl2