Question

when an atoms gains pne or more electrons , it forms ___​

Answer 1

An atom that loses one or more valence electrons to become a positively charged ion is known as a cation, while an atom that gains electrons and becomes negatively charged is known as an anion.

Hope this is useful to you

Answer 2

Answer:

when an atom gains or loses one or more electron is called an ION . A positive ion is called a CATION , and a negative ion is called an ANION .