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.

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

What are the first three quantum numbers for the electrons located in subshell 2s?