Al8ejo5anasoccorn Al8ejo5anasoccorn

16-10-2016
Chemistry

contestada

Which of the following isotopes has the same number of neutrons as phosphorus – 21 (atomic number 15)
a. 32/15 p
b. 32/16 s
c. 29/14 si
d. 28/14 si?

Respuesta :

Beth1309 Beth1309

16-10-2016

The number of neutrons in phosphorus-21 is 16 (21-15).

Therefore the answer is B. Sulfur-32 also has 16 neutrons (32-16).

Hope this helps :)

Answer Link

Otras preguntas

On padma's first night, she is asked to help "plate the appetizers for the 4-top that just arrived." padma freezes: she doesn't understand that she is being ask

While taking inventory at her bakery, Ruby noticed that she had 5⁄6 pound of cinnamon yesterday, but now had only 2⁄3 pound. How much more cinnamon did Ruby hav

What are the exact solutions of x2 − 3x − 7 = 0? x = the quantity of 3 plus or minus the square root of 37 all over 2 x = the quantity of negative 3 plus or

THE RIGHT ANSWER WILL RECIEVE A BRAINLEST AND POINTS!!! if someone has diabetes please help ill add some question s to who has diabetes and please answer them.

find the volume of a solid that is generated by rotating around the indicated axis the plane region bounded by the giveb curves: y= 1-×^2, y=0 around the vertic

If 1.00 mol of CS2 is combined with 1.00 mol of O2, identify the limiting reactant

HEALTH (GYM) HELP NEEDED Pretend you are a writer for a sports magazine, "X-treme Sport." You have been asked to write an article about your favorite sport. It

you need 2/3 cup of flour to make 1 loaf of bread. how much flour to make 3 loaves of bread?

To buy a car, Jessica borrowed $15,000 for 3 years at an annual simple interest rate of 9%. How much interest will she pay if she pays the entire loan off at th

What was the name of the treaty signed between russia and the central powers?