A)डिफाइन एटॉमिक नंबर B)फाइंड मॉलिक्यूलर मास ऑफ caco3 कैलशियम कार्बोनेट
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A)
Explanation:
The number of protons in the nucleus of an atom is the atomic mass number of that element.
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Answer:
Caco3 calim ctj8 ugbj ji
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