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

Which sentence does not contain any errors in comma usage? A. It is, a hexagonal, traffic sign. B. Jeremy has an old red wagon. C. The antique, and enormous clo

A segment of a circle has a 120 arc and a chord of 8in. Find the area of the segment.

What are two conductive materials separated by an insulator,and used to store electric potential energy?

Alberto's birthday is 7 days before Corey's birthday. Alberto's birthday is on the 9th. Write the equation to find Corey's birthday.

What are the basic units that all matter is made of?

What are 3 equivalent ratios for 3/5?

a rectangle is a quadrilateral with 4 angles. A rhombus is a quadrilateral with 4 sides of equal lengths. What is the most precise name for a shape that is both

How does Calypso assist Odysseus on his journey home?

What are the five senses that we use to make observations in Science?

Which statement is correct? The two tiles are not similar because segment SP is to segment SR is 4 : 7 and segment MJ is to segment ML is 1 : 3. The two tiles a