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

is the definition of a straight angle seen below reversible? if yes, write it as a true biconditional. A straight angle is an angle that measures 180°.PLEASE HE

Paul's mp3 player has a total of 852 songs. He has 4 different groups of songs. If he puts an equal number of songs in each group,how many songs will be in each

I need help ASAP how ever gets the right answer first I wil mark Brainliest!!!

what benefits can be derived from consuming blueberries, nuts, spinach, oats, and beans ?

The hero arose, surrounded closely by his powerful thanes. A party remained under orders to keep watch on the arms; the rest proceeded, led by their prince

HELP! FIVE QUESTIONS. NEED HELP ASAP!!

can someone explain to me the steps and how to solve it thank s you

A bag contains 1 blue, 2 green, 3 yellow, and 3 red marbles, as shown. What is the probability of drawing a red marble out of the bag without looking?

Miss Anderson have a hundred and twenty eight pencils left over at the end of the school year she decides to keep half of them for the next school year and divi

If a store advertised a sale that gave a customer a 1/4 discount,what is the fraction part of the original price that the customer pay?