Problem: Which statement best explains how the mass of an atom is organized? A. Most of the mass is contained in the nucleus. B. The mass is spread evenly throughout the whole atom. C. The mass is spread evenly throughout the electron cloud. D. Most of the mass is contained in the electron cloud.

FREE Expert Solution

The basic subatomic particles are: 

electrons outside nucleus(-) charge mass = 0.00549 amu

protons inside nucleus (+) chargemass = 1.007 amu

neutronsinside nucleus neutral chargemass =1.008 amu


Basic atomic model: 

Analyze each statement: 


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Problem Details

Which statement best explains how the mass of an atom is organized? 

A. Most of the mass is contained in the nucleus. 

B. The mass is spread evenly throughout the whole atom. 

C. The mass is spread evenly throughout the electron cloud. 

D. Most of the mass is contained in the electron cloud.

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