Cation-Anion Combination: Mg2+ & O2- = MgO

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Discussion Overview

The discussion revolves around the combination of magnesium cations (Mg2+) and oxide anions (O2-) to form the ionic compound magnesium oxide (MgO). Participants explore the charge balance between the ions and the resulting formula.

Discussion Character

  • Homework-related

Main Points Raised

  • Some participants state that a magnesium ion has a 2+ charge and an oxide ion has a 2- charge, leading to the conclusion that the formula for the ionic compound is MgO.
  • One participant expresses a need for help with a related question but does not provide further details.
  • Another participant reiterates the charge balance and confirms that the formula MgO is correct.

Areas of Agreement / Disagreement

There appears to be agreement among some participants that the formula MgO is correct based on the charges of the ions, but the discussion includes a request for help that remains unresolved.

Contextual Notes

Some posts lack detailed work or context, which may limit the understanding of the problem being addressed.

rachelmaddiee
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Homework Statement
I need help with a question
Relevant Equations
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Magnesium cations (Mg2+)
Oxide anions (O 2-)
A magnesium ion has a 2+ charge and the oxygen atom has a 2- charge. The formula for the ionic compound is MgO.
Would this be correct? Here is my work**
DF5C2BF5-2934-4345-A492-6CEC83D9E2E2.jpeg
 
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rachelmaddiee said:
Homework Statement:: I need help with a question
Homework Equations:: N/A

Here is my work**
Doesn't show up !
 
Magnesium cations (Mg2+)
Oxide anions (O 2-)
A magnesium ion has a 2+ charge and the oxygen atom has a 2- charge. The formula for the ionic compound is MgO.
 
rachelmaddiee said:
A magnesium ion has a 2+ charge and the oxygen atom has a 2- charge. The formula for the ionic compound is MgO.

Yes, that's correct.
 
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