The number of neutrons and protons in the nucleus of Ra²⁶⁶ are re – McqOptions

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1.	The number of neutrons and protons in the nucleus of Ra²⁶⁶ are respectively?
A.	138 and 88
B.	88 and 138
C.	226 and 88
D.	88 and 226
Answer» B. 88 and 138

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