The element tellurium forms an ion with the charge of +4.
The symbol for this ion is Te⁴⁺ and the name is tellurium ion.
The number of electrons in this ion is 48 electrons.
What are ions?
Ions are substances that are formed when atoms of elements gain or lose electrons.
There are two types of ions based on the charge the ions carry:
- Cations - they have a positive charge; for example, calcium ion, Ca²⁺, ammonium ion, NH₄⁺
- Anions - they have a negative charge; for example Chloride ion, Cl⁻, tetraoxosulfate (vi) ion, SO₄²⁻
Metallic atoms form cations by losing one or more electrons.
Non-metallic atoms form negative ions by gaining one or more electrons.
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