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When an Element Has Z=10 and 10 Neutrons, What Element ${ }_{10}^{21} \mathrm{Ne}$

Question 117

Multiple Choice

When an element has Z=10 and 10 neutrons, what element and isotope are present?

A) ${ }_{10}^{21} \mathrm{Ne}$
B) ${ }_{10}^{20} \mathrm{Ne}$
C) ${ }_{20}^{10} \mathrm{Ca}$
D) ${ }_{10}^{10} \mathrm{Ca}$

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