El átomo no excitado de cierto elemento químico tiene 6 electrones en su quinto nivel energético. Si se sabe que su número másico es 127, ¿ Cuántos neutrones tiene el átomo en mención ?

Write a composition or a letter, in spanish, to a friend where you include the following items. use the following tips to you with this assignment. choose a spanish-speaking country you would like to visit. specify the month you will visit. describe what the weather is like during each season. mention at least five articles of clothing that you will need for the trip. write at least ten complete sentence