aayanhabib379 aayanhabib379
  • 04-06-2021
  • Chemistry
contestada

How many neutrons are present in an atom with atomic number 9 and mass number 19?​

Respuesta :

Eddie1Wan
Eddie1Wan Eddie1Wan
  • 04-06-2021

Answer:

10 neutrons

Explanation:

N=Z-A ie. number of neutrons=mass number-atomic number

N=19-9=10

Answer Link
Orozco811 Orozco811
  • 04-06-2021
10 what Eddie said is correct
Answer Link

Otras preguntas

How do you know whether a number is a multiple of another number
Gregory predicts that 310 people will attend the spring play. And there was an actual total of 220 people who attended the spring play. What is the percent erro
9^x=27^(x+2) how do I do that? I don't get how to do it with different bases
Is little available food a characteristic of Athens, Sparta, or both? A. Athens B. Sparta C. Athens and Sparta
what is 0.123 rounded to the nearest tenth
~ALGEBRA! PLEASE HELP!~ Austin is climbing on a ladder that is attached against the side of a jungle gym wall. He is 5 feet off the ground and 3 feet horizontal
suppose you mix food coloring in water to make it blue. Have you made a solution or suspension. Explain........PLZ HELP
How many solutions are there to the following system of equations? 4x – 14y = 6 –2x + 7y = –3 A. 1 B. 2 C. infinitely many D. 0
In previewing a magazine, what's likely to be the first step you take
i need 3 poems based on the same theme