<span>What is the mass number of an atom with 7 protons, 8 neutrons, and 7 electrons? </span> A Nitrogen atom with 7 protons<span> and </span>8 neutrons<span> has a </span>mass number<span> of 15 </span><span> That Should Be The Correct Answer :D
The density does not affect the earth's interior, the affection of pressure on the earths layers raises the temperature therefore making it have an effect on the layers.
