Problem: What is the symbol of the ion having 12 protons and 10 electrons?a. Mg2+b. C4+c. O2-d. Nee. None of these

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We’re being asked to identify the symbol of the ion having 12 protons and 10 electrons.


An element can be represented as:


You can determine the identity of the element using its atomic number:

Atomic number (Z): 

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Problem Details

What is the symbol of the ion having 12 protons and 10 electrons?

a. Mg2+

b. C4+

c. O2-

d. Ne

e. None of these

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