bucketofwaterd bucketofwaterd
  • 01-10-2020
  • Chemistry
contestada

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

In opera, a brief musical phrase or idea connected to some person, event, or idea is known as a/an A. leitmotif. B. ode. C. overture. D. exposition.
Spending that can change from year to year is known as
"Which missing item would complete this alpha decay reaction? "
What's the circumference of a circle with a diameter of 12 ft? A. 264 ft. B. 84 ft. C. 19 ft. D. 37.7 ft.
(sin3t+cos3t)/(cos3t-sin3t)=? Please help
You are able to stand on one foot with little difficulty,but you have trouble when you need to turn quickly in a different direction. Which skill should you im
Prominences and flares on the Sun can BEST be described as ____.
What should you do if a club team you want to play for is in an unfamiliar neighborhood? Register online and ride over to meet the team Search the internet
the quotient of j and 8 expressed
A flu epidemic at a boarding school would be a concern for the Centers for Disease Control.