Answer :
Final answer:
The elements magnesium, neon, boron, sodium, nitrogen, and iodine have charges of 2+, 0, varies for covalent compounds, 1+, 3-, and 1- respectively when they form monatomic ions.
Explanation:
The charges of the following elements when they form monatomic ions are as follows:
- Magnesium (Mg): Typically forms a cation with a charge of 2+ because it is an alkaline earth metal found in Group 2 of the periodic table, and it tends to lose two electrons.
- Neon (Ne): Does not form ions routinely as it is a noble gas with a full valence shell, meaning its charge is effectively 0.
- Boron (B): Does not commonly form simple monatomic ions but tends to form covalent compounds.
- Sodium (Na): Belongs to Group 1, which are the alkali metals, and it commonly forms a cation with a charge of 1+ by losing one electron.
- Nitrogen (N): Typically forms an anion with a charge of 3- by gaining three electrons to achieve a full valence shell.
- Iodine (I): As a halogen, it typically forms an anion with a charge of 1- by gaining one electron.
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