碳,carbon,是指质子数为6的元素.
when an electron drops from one orbit
i tried to demostrate electrons changing orbitals to a
1 shows the typical transmission electron microscopy (tem)
scanning electron microscopy images of four carbon
Tips:Do Not Provide
Personal Loans: Go Easy On Your Finances
Finance, Finance, Finance, Foreign Exchange, Stocks, Currency Circle, Venture Capital, Bitcoin, ICO...