Cho 2 hợp chất có CTHH :Y3(PO4)2 và X(OH)3 a) Tìm hóa trị của nguyên tố X và Y.
b) Tìm 2 nguyên tố X và Y biết tổng NTK là 164đvC và hiệu NTK là 110 đvC

Which organic molecule is found in the chromatin of cells?

What does the cell nucleus do or, how does it function?

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.