Dùng thuyết lai hóa, hãy giải thích sự hình thành liên kết trong phân tử NF3. Cho biết góc liên kết ^FNF là 102o và 7N, 9F.

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Acurium-245 nucleus is hit with a neutron and changes as shown by the equation. complete the equation by filling in the missing parts. 52

Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.