wwildplayer201oy97iq wwildplayer201oy97iq
  • 12-11-2017
  • Chemistry
contestada

How many neutrons does element X have if its atomic number is 23 and its mass number is 78?

Respuesta :

Penguin84
Penguin84 Penguin84
  • 12-11-2017
The element X has 55 neutrons.
Answer Link

Otras preguntas

8r-6+2+4r Show all work
Translate the verbal expression into an algebraic expression. The product of 7 and the square of r, increased by the difference of 5 and x^2
How did the Stamp Act, the Tea Act, and the Intolerable Acts encourage American colonists to consider revolution against British rule?
barts track team ran 326.25 miles over 72.5 days. on average how many miles did the team run?
PLEASE ANSWER!!! What information can we learn from a scientific name that we cannot learn from a common name? Kingdom and Species name Genus and Species name
At the beginning of the week, Joshua had $356 in his savings account. At the end of the week he only had $123 in his savings account. Write and solve an equatio
why our body is not crushed due to atmostsparic pressure​
1.Leí en el periódico que la tormenta ___ muchos árboles. -destruía -destruyó -destruió -destruye 2.¿Por qué no ___ ustedes la mochila? -traieron -trajeron -tra
A quality control manager is inspecting four digital scales to see if they accurately reflect a weight of 0 ounces. The table shows the weight displayed on four
Another view of leadership focuses on a continuum of behavior ranging from a type of leadership with a formal hierarchy and power emanating from the top down to