rjw12600 rjw12600

04-01-2019
Advanced Placement (AP)

contestada

How many neutrons does an element have if its atomic number is 40 and its mass number is 156?

Respuesta :

angelalovelis angelalovelis

04-01-2019

116 neutrons.

To find the neutrons of an element, you simply have to subtract the mass number and atomic number. 156 - 40 is 116.

Answer Link

Otras preguntas

Determine a series of transformations that would map polygon ABCDE onto polygon A'B'C'D'E'?

Which modern city is commonly called the ""gold capital of the world""?.

how many grams of kclo3 are needed to make 30.0 grams of kcl

A square pyramid has a base with a side length of 7.5 feet and lateral faces with heights of 16 feet. Write an expression that can be used to find the surface a

Hearing and listening ___________________. a. require your attention b. occur unconsciously c. are different processes d. none of the above Please select the be

The presence of which magnetic feature best explains why a magnet can act at a distance on other magnets or on objects containing certain metals? fields dipoles

a) Solve for x. b) Then determine the angle measurement.

A dog struggles to trust his new owner after his previous owner mistreated him is an example of:

The base of the sailboat is 9ft and the height is 15 what is the area??

Which of the following represents the velocity of a moving object? Select one: 40 m north. 40. 40 m/s north. 40 m/s.