The iron atom loses two(2) electrons to be come the Iron ION.
Fe = Fe^(2+) + 2e^-
NB An atom , when it becomes a charged spacied , is no longer an atom , but an ION.
Positively charged ions are CATIONS
Negatively charged ions are ANIONS.
It release two electrons. Oxidation number change from zero to +2
The atom is still there but now it is sharing electrons with another iron atom.
If an atom undergoes a reaction and attains a more stable form, you know if the reaction was a chemical reaction or a nuclear reaction by studying what exactly happened to the atom.
A chemical reaction
By Chemical Reaction
When a hydrogen atom acts like a nonmetal in a chemical reaction, it gains an electron.
In he chemical reaction the atoms aren;t present anylonger
If an atom undergoes a reaction and attains a more stable form, you know if the reaction was a chemical reaction or a nuclear reaction by studying what exactly happened to the atom.
If Fe becomes Fe^2+ it has lost 2 electrons, and so the Fe has been OXIDIZED.
Two or three electrons are lost.
A chemical reaction
no it is a chemical reaction!
By Chemical Reaction
When a hydrogen atom acts like a nonmetal in a chemical reaction, it gains an electron.
electrons
In he chemical reaction the atoms aren;t present anylonger
This is a chemical change, a chemical reaction.
the mass increases during a chemical reaction. because if heated or cooled then it would put on more mass for the atom.
The valence electrons are the part that takes place in a chemical reaction.