The atomic mass of an element is the:

combination of neutrons and protons in an atom of that element

weighted average of the masses of known, naturally-occurring isotopes of an element

number of electrons in an atom of that element

number of protons in an atom of that element

Question

The atomic mass of an element is the:
	
combination of neutrons and protons in an atom of that element
		
weighted average of the masses of known, naturally-occurring isotopes of an element
		
number of electrons in an atom of that element
		
number of protons in an atom of that element

quickstudent · Answer

Please explain. @.Sam. @Anaise @Baby_Bear69 @zepdrix @sammixboo @Callisto @sweetburger @Jadeishere @Anaise @InstagramModel @ilovebmth1234 @Donblue22 @airjordan200 @Evoker @michaelschmidt @HanaMalik @jfernandes @

jadeishere · Answer

So, you know how every element has a symbol?

Example 

Iron = Fe
Potassium = K

donblue22 · Answer

It is the total number of protons plus the total number of neutrons expressed in atomic mass units

quickstudent · Answer

Thanks!