Distribua os elétrons nas camadas eletrônicas
A)Fe26
B)Po84
C)Cu29
D)La57
E)C6

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

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

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?