Electrons.
An ion with more protons than electrons is called a cation.
When there are more protons than electrons in an atom, it is called an ion. Specifically, it is a cation when it has a positive charge due to the excess protons.
cation
An atom with more protons than electrons is a cation.
cation
That would be a positively charged ion. (cation)
An atom with more electrons than protons is called an anion and has a negative charge. Conversely, an atom with fewer electrons than protons is called a cation and has a positive charge. These charged atoms are formed through the process of gaining or losing electrons.
The Cu+ cation is formed when a copper atom loses one electron. Therefore, it has one more proton than electrons. So, the Cu+ cation has 29 protons and 28 electrons.
If the number of protons and electrons in an atom are not equal, the atom becomes an ion. If there are more protons than electrons, it becomes a positively charged ion (cation), and if there are more electrons than protons, it becomes a negatively charged ion (anion). This imbalance affects the atom's overall charge and reactivity.
A cation has a positive charge because it has lost one or more electrons, leaving it with more protons than electrons, resulting in a net positive charge.
An atom which has lost an electrons forms a positive ion which is called cation. ANSWER: ADDENDUM A nucleus does not loose an electrons it just has temporarily misplaced an electrons by am external force. That electron will be practically replace immediately by an electron from the next nucleus that is how electron current is generated and sustained
An atom with an unequal number of protons and electrons is referred to as an ion. If it has more protons than electrons, it is called a cation and carries a positive charge. Conversely, if it has more electrons than protons, it is known as an anion and carries a negative charge.