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

I need three reasons on why America invaded Canada in 1812

the Effects on the end of world war 1 on the us economy

100 points Two workers finished a job in 7.5 days. How long would it take each worker to do the job by himself if one of the workers needs 8 more days to finish

which species is likely to exhibit random dispersion ?

How did natural rights affect the american revolution

To find the perimeter and area of the square, use the same formula. TrueFalse

The median of a data set is the measure of center______. A. That is the value midway between the maximum and minimum values in the original data set. B. That is

If Vegetable oil is for cooking, and vegetable is made out of vegetables, and oil is made out of oil, then what is baby oil?

How were the colonies of Virginia and Massachusetts originally established? A) by a democratic government B) by a charter with the English King C) by a land g

The figure is transformed as shown in the diagram. Describe the transformation. A) dilation,then reflection B) reflection, then rotation C) rotation,then reflec