1
answer
185
views
5
Problem

For access to Textbook Solutions, a Class+ or Grade+ subscription is required.

Textbook Expert
Textbook ExpertVerified Tutor
6 Dec 2021

Given information

It is given that after the formation of the first nuclei which after three minutes of the big bang. There were around seven times more protons than neutrons.

Step-by-step explanation

Step 1.

Every helium atom needs two protons and two neutrons which have a total mass of . Each hydrogen atom requires proton and has a mass of . If as given, there are seven times more protons, than neutrons, then for every two neutrons there are protons.

Unlock all Textbook Solutions

Already have an account? Log in
Start filling in the gaps now
Log in