Which of the Following Elements Does 'X' Represent In ${ } _ { 28 } ^ { 58 } \mathrm { X }$

question 29

Multiple Choice

Which of the following elements does 'X' represent in ${ } _ { 28 } ^ { 58 } \mathrm { X }$ ?

• A) Ni
• B) Zn
• C) Rn
• D) Ce
• E) Pd

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