Which bond is more polar? and what is the direction of the polarity in each?
1. cl-ch3 or cl-cl
2. h-ch3 of h-cl
3. ho-ch3 or (ch3)3si-ch3

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.

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

What is the molar mass of a gas that has density of 2.054 g/l