Chemistry, asked by aghathiyan, 1 year ago

someone please explain the first 20 elements for class7 with mass no no of proton electron​

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Answered by thegreathailey
1
https://www.thoughtco.com/thmb/mRBsmmWNe6KZEDOsi2sp1bKaNpY=/768x0/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-758302997-5c215e3846e0fb0001b8bf7b.jpg
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