elizabethallona elizabethallona

02-01-2019
Chemistry

contestada

How many neutrons does an element have if its atomic number is 55 and its mass number is 150?

Respuesta :

02-01-2019

With an atomic number of 55, that means there are 55 protons. Because electrons do not count towards atomic weight, the element would have 150-55 neutrons. So, 95 neutrons.

Answer Link

02-01-2019

95 neutrons hope this helps

Answer Link

Otras preguntas

1. has slope 2 and y -intercept 3 2. contains (1,3) and has the slope 2 3. has slope -2 and x-intercept 3 please help

Thanks the following statement there is a 60% chance of snow tomorrow and a 10% chance I'll be late for school what is the probability that it will snow in Amy

LAidsez-Claire, which means _____ government

Which was one cause of the revolution in Iran in 1978?

Can someone explain what exactly is life?

Which sequence shows the different types of electromagnetic waves arranged in an increasing order of their frequency? A.)radio waves, microwaves, visible ligh

Which is a solution to the equation? (x −2)(x + 5) = 18

Which two characters face similar problems because of the way others view them? A. Scarface and Morning Star B. Scarface and the Happy Prince

the oldest known vascular plants in the northern hemisphere are Devonian

If you vertically stretch the exponential function f(x) = 2x by a factor of 3, what is the equation of the new function?