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

According to statistics, currently there are approximately __________ drug users living in the United States. A. 22 million B. 15 million C. 10 million D. 5

Solve: 2 x = 128 x =

Michael is suffering from the flu. His mother prepares some soup for him, but he finds that the soup tastes bland. The perceived blandness happens because the r

A certain compound is made up of two chlorine atoms, one carbon atom, and one oxygen atom. what is the chemical formula of this compound

Why did the united states become involved in nicaragua in the 1980s?

Which type of organism does not need to consume other organism for food?

Which one of the following parts is labeled with the letter T? A. The wrist pin B. The piston C. The connecting rod D. The piston rings

Climate is best described as the

If x = 49 , what is the value of x(x-10)

A yogurt with 1 topping is sold for $3.65. Additional toppings can be added for $0.45 cents each. If y represents the total cost and x represents the total numb