covalent/ionic bonding.
This is called a redox reaction. An atom that loses an electron is oxidized and an atom that gains an electron is reduced.
Ion. Any atom that loses or gains an electron becomes an ion.
An atom that loses electrons becomes a positively charged ion called a cation. An atom that gains electrons becomes a negatively charged ion called an anion.
Ion. Any atom that loses or gains an electron becomes an ion.
covalent/ionic bonding.
A neutral atom that gains or loses electrons is now an ION. If it loses electrons to become M^(n+), then it is a CATION. If it gains electrons to become X^(n-), then it is an ANION. NB Atoms that gain or lose electrons are no longer atoms , but IONS.
An ION . Metal (M) ionises ( loses electrons) M(g) = M^(n-) + ne^(-) M^(n+) is a CATION . Non-metal (X) has electron affinity ( gains electrons) X(g) + ne^(-) = X^(n-) X^(n-) is an ANION .
When an atom loses or gains electrons, it becomes an ion.
an atom that gains an electron becomes a negative ion, called an anion.
an ion
ionization Redox reactions
It is called an ion.