If a neutral atom loses an electron then an atom with a negative charge will be formed.
When an atom or molecule is no longer neutral it is called an ion .
If an atom loses an electron then it forms an ion.
if an atom loses an what it forms an ion

[1] energy
[2] Energy.
[3] heat energy
[4] electron
[5] nucleus
[6] vaporization
[7] neutron
[8] bond