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

please help with this pic inclided

in a falling dominoes model of nuclear fission chain reaction, what does the standing dominoes represent and what do the fall of the dominoes represent?

______ stretching involves a gradual transition from one body position to another and a progressive increase in reach and range of motion as the movement is rep

Explain the importance of using feedback in improving own practice

What is the final velocity of a train after 10s if it accelerates at 0.5m/s squared from 6m/s

An increase in the spread of food-borne illness could be attributed to all of the following except a. consistency among microbial populations. b. increased su

here is the whole questioon with answer choices

Determine the tension in the cable and the horizontal and vertical components of reaction of the pin a. the pulley d is frictionless and the cylinder weight is

Find the surface area of a sphere with radius 1.25 miles. 24.5 miles^2 19.63 miles^2 196.35 miles^2 78.5 miles^2

The war on terror is only in the United States. True False