The Symbol for a Certain Isotope of Radium Is ${ } _ { 88 } ^ { 226 }$

question 7

Multiple Choice

The symbol for a certain isotope of radium is ${ } _ { 88 } ^ { 226 }$ Ra. How many nucleons are there in the nucleus of this isotope?

• A) 314
• B) 226
• C) 214
• D) 138
• E) 88

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