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Textbook Expert
Textbook ExpertVerified Tutor
4 Dec 2021

Given information

The temperature was extremely high for hundreds of thousands of years after the Big Bang.

 

Step-by-step explanation

Step 1.

During this time, particles and antiparticles collided frequently, energy was constantly exchanged, and nuclei were created and destroyed.The kinetic energy of the particles decreased when the universe cooled to approximately, and electrons began to orbit the nucleus and remained stationary there. Stable atoms were formed as a result of this process.

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