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According to the CERN site, after the "Big Bang", it took 380,000 years for the first atoms to form from electrons trapped in orbits around nuclei. These were mainly helium and hydrogen electrons. It took about that amount of time for the universe to expand and cool - and in general, for conditions to be just right for the next event.
Wiki User
∙ 7y ago
Wiki User
∙ 7y agoWho said this, do you know this is true.
I think nobody knows when the first atom was formed
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When is An ion is formed when an atom?
An ions is formed when an atom gains or loses electrons.
What is formed when a single atom of Krypton?
This single atom remain an atom of krypton !
What is an atom that gains and loses an electron and has an electric charge?
When an atom gains electrons, negatively charged anions are formed. When an atom loses electrons, positively charged cations are formed.
When you break a atom is energy formed?
Yes.
The ion formed by an arsenic atom is?
As2-
How was the first hydrogen atom formed?
A proton & an electron circled each other about 14.7 billion years ago.
What particles is the atom formed of?
Atom is formed of electrons, protons and neutrons.
When is An ion is formed when an atom?
An ions is formed when an atom gains or loses electrons.
An ion is formed when am atom?
An ions is formed when an atom gains or loses electrons.
When are ions formed?
Ions are formed when an atom gains or loses electrons. When an atom loses electrons the Ion that is formed has a positive charge.
How are sulfides formed?
Sulfide ion is formed when the sulfur atom gains two electrons from an external atom.
What is formed when a single atom of Krypton?
This single atom remain an atom of krypton !
What molecule would be formed from atom of sulfur with atomic number 16 and atom formed from hydrogen with atomic number 1?
H2S is formed
What is the chemical bond that is formed when the electrons are transferred from atom to atom?
Ionic
What is formed when a sodium atom and a chlorine atom react chemically?
study
What is formed when a sodium atom and chlorine atom react chemically?
study
What is formed when a sodium atom and chlorine atom reacts chemically?
study
