1. What kind of bonding is found in each of these compounds:
a) HClb) NaCl c) CH. d) MgCl, e)H, O,

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.

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

What is the value of keq for the reaction expressed in scientific notation?