Shubham Jha - Class 11 & 12
Find the sum of electron proton and neutron in 16g of atom
Anonymous Quiz
31Na
24Na
13Na
65Na
𓆩𓆪 ❥ ̶͢ ̶ͨ ̶ͧ ̶ͭ ̶ͤ❤⃝—͟͞͞Alina rajput 𓆩♡𓆪🥀 ⃝💜 ̶𓆪 」, 

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