The monoatomic ion of potassium is K+ and Oxygen is O2-
- The term "monatomic ion" refers to an ion with only one atom. A polyatomic ion is one that has more than one atom, even if they are all from the same element.
- The monatomic ions generated by potassium (K) and Oxygen (O) are being asked
- we will first look for the group number that an element belongs to in order to establish the charge of that element.
- For non-metals, the charge of the ion is calculated by deducting 8 from the group number
- For metals, the charge of the ion is equal to the group number.
- Since K is a metal, its ion is a cation with a charge of 1, and it is a member of group 1A. K+ is hence the potassium's monoatomic ion.
- similarly oxygen is non metal therefore the monoatomic ion of oxygen is O2−.
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