When an atom gains or loses a valence electron, it becomes a charged particle called a/an

When an atom gains or loses a valence electron, it becomes a charged particle called an ion.

In fact, an ion is an atom that has lost or gained a valence electron. As a result, the atom becomes positively charged (if it has lost an electron, and in this case it is called positive ion), or negatively charged (if it has gained an electron, and in this case it is called negative ion).

The answer is b hope this

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.