blatss8jaimeJaccoyc blatss8jaimeJaccoyc

03-03-2017
Chemistry

contestada

How many neutrons does element x have if its atomic number is 42 and its mass number is 160? neutrons?

Respuesta :

armyguy1050 armyguy1050

06-03-2017

118
mass number is the protons plus the neutrons.
And the atomic number is equal to the amount of protons in an element.
Therefore, 160-42=118.

Answer Link

Otras preguntas

There was no prejudice against African American soldiers serving the West, True or false

what does paradox mean and what's an example?

A student is writing about cultural differences on Barrio Boy. which line from the text shows evidence that Ernesto and his family had to adjust to a new system

In Shorthorn cattle, coat color may be red, white, or roan. Roan is an intermediate phenotype expressed as a mixture of red and white hairs. For this problem, u

What’s the answers ?

Can someone please help me? I’m struggling with this and it doesn’t seem too hard, thanks!

Kevin went to see his favorite sports team play his car can go 320 miles on one lank of gas. If he used 20% of a full tank of gas, how many miles did he travel?

Device used to find Latitude

You and your friend read a book about three animals that travel hundreds of miles to find their way back home. They face danger, illness, and injury, yet eventu

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!