trinket
trinket trinket
  • 23-06-2017
  • Chemistry
contestada

If a neutral atom of oxygen has 8 protons, 8 electrons, and 7 neutrons, what number is the mass number of this atom?
A. 8
B. 15
C. 16
D. 23

Respuesta :

JavierCollante
JavierCollante JavierCollante
  • 23-06-2017
mass number = number of protons + number of neutrons

mass number= 8 + 7= 15 ---> the answer is B. 
Answer Link

Otras preguntas

True or false: articulations are places on skeleton where bones have ridges. A. True B. False
If the volume of a sphere is 288πcm3, what is the radius of the sphere in centimeters? Giving brainliest and 30 points!
The first computer game was created in 1962. Who invented it and what was the name of the game
A store is having a 20% off sale. Michael says that he can find the sale price of an item that has regular price of p be evaluating the expression 0.8p. Susan s
Read the following sentences and choose the word or phrase that fits most logically with each one. A Jorge le gusta ir a la playa. a. correr b. nadar c. montar
a museum opened at 8:00 a.m. In first hour, 350 people p
HELP PLEASE WILL GIVE BRAINLIEST!
Only the smallest particles of soil can be displaced by suspension because:
What plant species produces many seeds to ensure the survival of it's kind
The job market is studied and reported on by the