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

A nurse is reviewing the medical record of a client who is one day postpartum

The milky way galaxy is most likely an example of which type of galaxy?

The right-handed twin accused his brother of murdering their mother, and their quarrels continued until it was time to bury their mother. With the help of their

Monitor screens are made up of millions of tiny dots known as

Rose is in an abusive relationship with dan, who is physically violent with her and has injured her seriously more than once. despite this, rose has never been

PQRS is parallelogram. PR and QS are diagonals. Match each element to its value.

The stopping distance, d ( in feet) for a truck moving at a velocity (speed) v miles per hour is modeled by the equation: d=0.04v^2+1.1v What is the speed of th

What is one course of action available in every decision making process? a. Respond in a way which will have only positive consequences b. Respond in a way whic

what were journalists who publicized the problems of American society called? A.Muckrakers B.Publicists C.Publishers D.Whistle blowers

I think D is the right answer - Can someone help ? Thanks!