bucketofwaterd bucketofwaterd
  • 01-10-2020
  • Chemistry
contestada

(40 pts)Identify the mass number of an ion with 20 protons, 22 neutrons, and 18 electrons.

Respuesta :

Nikeon202
Nikeon202 Nikeon202
  • 14-10-2020

Answer:

42

Explanation:

Relative mass = number of protons + number of neutrons

Relative mass = 20 + 22

Relative mass = 42

Answer Link

Otras preguntas

Please help me with this
The function p(x)=x(x-5)(x-2)(x+3) has four zeros. what is the smallest zero?
As a result of injury to her brain, Scarlett can no longer understand what people say to her although she hears them. The region of the cerebral cortex most lik
High point and Low point of Alaska? And List the states it borders Please and thank you…..
8T=___ lb Fill in the blank
Number 2 please. Answer asap please
all of them very stuck
Help please i am confused
A woman begins driving her car 25 km north of calgary. Some time later, the woman and her car are 100 km north of calgary. What is the distance and displacement
How might your use of computers and knowledge of technology systems affect your personal and professional success?