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

How do the ability to make stone-cutting tools help homo habilis
In "I Hear America Singing," the speaker describes people employed in America’s working class. Why do you think the speaker leaves out certain groups, such as t
What happens if the Supreme Court refuses to hear a case on appeal from the lower courts? A. The lower court’s ruling stands and cannot be repealed. B. The ca
What is f(x) = 3x -5
A unit of measure used in surveying is the link; 1 link is about 8 inches. about how many links are there in 9 feet.
what is the least common multiple of 9, 17, and 51
-6x=5x+22 help me out :)
Factories cut back on jobs when soldiers came back from world war 1 true or false 1
why do kids get bullied
Three main levels of neural integration operate in the somatosensory system. Which level involves the spinal cord? perceptual level receptor level integrativ