cbeauti8e3ahhhhh cbeauti8e3ahhhhh

21-11-2016
Chemistry

contestada

phosphorus has an atomic mass of 31 and an atomic number of 15 ,so the number of nuetrons must be ?

Respuesta :

Hhannahbanana Hhannahbanana

21-11-2016

It should be 16 neutrons

Answer Link

scme1702 scme1702

21-11-2016

The number of neutrons is the difference in Atomic mass and atomic number.
Thus, number of neutrons:
31 - 15
= 16 neutrons

Answer Link

Otras preguntas

Which two organisms contain chloroplasts and eyespots?

The first organisms on earth appeared approximately 3.5 billion years ago and were all unicellular. multicellular organisms have only existed for about one bill

What is the percent decrease of 7:45 to 5:51

In an effort to get him to clean his bedroom, zack's mother gave him a gold star every time he cleaned it. each time he earned five stars, he was able to trade

There are many types of animals that make up the phylum Mollusca. Their body is designed to move in many different ways. Which does not describe a way a mollu

What would a formal interpretation of the poem focus on? a reflection of patriarchal society in the poem the author's biography and psychology the reader's int

Why was the Concord Hymn written? A. Celebrate losing the American Revolution B. Dedication for the memorial of the Battle of Concord C. A birthday present f

hELP HELP I WILL MAKE YOU BRAINLESIT

You and your friend are standing back-to-back. Your friend runs 16 feet forward and then 12 feet right. At the same time, you run 12 feet forward and then 9 fee

Organisms reproduce by two main methods. One is division, in which the animal divides and creates an exact copy of itself. What is the other main method of repr