Um átomo apresenta 13 prótons e 14 nêutrons. a carga do íon estável formado a partir desse átomo será:
a)-2
b)-1
c)+1
d)+2
e)+3

a resposta deu letra (e) não

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".