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  • 25-10-2022
  • Chemistry
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An unknown metal with a charge of 4 combines with oxygen. How many oxygen ionsare needed in a neutral compound of this metal and oxygen?

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  • 25-10-2022

Answer:

2 oxygen ions

Explanation

Oxygen is a non-metal with an atomic number of 8. The electronic configuraton of the element is given as:

[tex]O;\text{ }1s^22s^22p^^4[/tex]

If a an unknown metal with a charge of 4 combines with oxygen, the required reaction will be:

[tex]M^{4+}+O^{2-}\rightarrow MO_2[/tex]

Since oxygen is in group VI of the periodic table and has a oxidation number of -2, to form a neutral compound with charge of +4, this means that 2 oxygen ion will combine with the metal to form a neural compound MO2

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