brennabananas7431 brennabananas7431
  • 03-10-2017
  • Chemistry
contestada

If the atomic number of an element is 9 and the mass number is 19, how many neutrons does the atom have?

Respuesta :

Аноним Аноним
  • 05-10-2017
To find the number of neutrons.....

NEUTRONS = MASS NUMBER - ATOMIC NUMBER ( PROTONS)

NEUTRONS  =  19  -  9 

So this element has 10 neutrons
Answer Link

Otras preguntas

Fin each unit rate. Determine which is lower. Ingredient C: 1/4 cup for 2/3 serving Ingredient D: 1/3 cup for 3/4 serving
What is the answer to 7 7 (–1) a. 13b. 16c. 7d. 10?
what is an identity of an alpha particle
Is my answer C? The zoot suit riots in Los Angeles revealed which of the following? the failure of the Congress of Racial Equality to achieve its goals the in
It is adding or sudtrating muliutpling divid
What is the answer to number 4?
What is the name of the large sea off the the weastern coast of alaska?
If all materials were good conductors of heat, would people and animals be able to live in cold climates? Explain your answer.
If 7 units represent 98 liters find the value of 15 units
How does an area benefit from volcanic activity?