The percent composition by mass of nitrogen in NH4OH (gram-formula mass = 35 grams/mole) is equal to A) 4/35•100 B) 14/35•100 C) 35/14•100 D) 35/4•100

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.

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

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