charlie4531 charlie4531

22-11-2019
Chemistry

contestada

why does the mass number for an element differ from the average atomic mass for the element?

Respuesta :

lilyhaitang lilyhaitang

22-11-2019

Answer:

the mass number is the number of protons and neutrons added and the average atomic mass is the weight of the protons and neutrons

Answer Link

Otras preguntas

Someone please Help me please

waht is the role of media in the story of mirror image? by Lena coakley

Which narrative point of view is used in this reading selection? His voice rose under the black smoke before the burning wreckage of the island; and infected by

Some scientists do not subscribe to mind-body therapy as a legitimate medical intervention. why do you think this is? what evidence could you provide to validat

can someone help me with the first 6

Solve the system by substitution. y= -6x-7 y= -7x

As a debater, write for or against the topic "should the canes be used in our schools".

An intense level of apprehension about speaking before an audience, resulting in poor performance, is referred to as _______________.

Collections of axons in the CNS that have a common origin and destination are called ________. Group of answer choices nerves centers ganglia tracts nuclei

A doctor claims that the mean number of hours of sleep that seniors in high school get per night differs from the mean number of hours of sleep college seniors