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 WAS A SHORT VOWEL WORD

the following questions will test your knowledge of verb agreement, tense, mood, and voice. answer the questions to review what you have just learned. select th

once people were able to create a food surplus, it allowed for time to be spent honing other skills. this became known as

which invention allowed the greatest personal freedom of travel? the horse-drawn trolley the automobile

after the prosecution has completed its redirect examination of a witness, the defense may then conduct:

find the unknoen variables i need ans really quick

In a week, a man received a paycheck for $826.60. The withholding for taxes was $91.40. If he worked 34 hours in that week, what is his hourly pay rate?

if mary can bake more cakes in one day than sarah can bake in one day, then sarah should not bake cakes. mary has a comparative advantage in baking cakes. sarah

someone help me please its for a practice

when you arrived at the unit today and listened to the change of shift report, you heard about a patient named jane w. according to the tape-recorded signout, j