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

How is Country M planning on encouraging economic growth?

Which tragic element is associated with the lines spoken by the chorus leader

which sentence uses the italicized vocabulary worditalicized? "my name is emily"is idom. we were ready to harvest corn from the lush,barren field. minor charact

Normalmente, no se encuentran ____ en una zona comercial. a. fincas c. edificios b. rascacielos d. oficinas Please select the best answer from the choices pr

Mis abuelos______(ir) al muses todos los domingos.

Sarah has just received her drivers' license and is now ready to drive to school. although she's never driven to her school before, sarah knows the way. the fac

The atmosphere is _____ at higher elevations, making the average climate _____ there. A. thicker; cooler B. thinner; cooler C. thicker; warmer D. thinner; w

Humans only have a few eye colors and only four ABO-based blood types. How can DNA tests definitively identify individuals when many people have brown eyes or t

how to solve this 3/10÷1/2

What percent of 50 is 11