BRF指的是
BRF指的是
BrF3的空间构型为三角锥形。
BrF3的空间构型为三角锥形。
据VSEPR理论,可判断出SF4和BrF3的分子构型分别为( )。
据VSEPR理论,可判断出SF4和BrF3的分子构型分别为( )。
下列分子中, 具有T形几何构型的是 A: NH3; B: ClO3 −; C: BrF3; D: PCl3
下列分子中, 具有T形几何构型的是 A: NH3; B: ClO3 −; C: BrF3; D: PCl3
下列分子的中心原子采用sp3杂化方式的是: A: BrF3 B: SO3 C: NH3 D: CS2
下列分子的中心原子采用sp3杂化方式的是: A: BrF3 B: SO3 C: NH3 D: CS2
下列物质属于非质子传递溶剂的是() A: CHOH B: HO C: SO D: BrF E: NH
下列物质属于非质子传递溶剂的是() A: CHOH B: HO C: SO D: BrF E: NH
In May 2017, on the first BRF for international cooperation, President Xi said: We should strengthen cooperation in frontier areas, such as digital economy and so on, linking them into the _______ .
In May 2017, on the first BRF for international cooperation, President Xi said: We should strengthen cooperation in frontier areas, such as digital economy and so on, linking them into the _______ .
通过()能完成车辆路线模型、最短路径模型、网络物流模型等功能。 A: AGPS B: BRF C: CEDI D: DGIS
通过()能完成车辆路线模型、最短路径模型、网络物流模型等功能。 A: AGPS B: BRF C: CEDI D: DGIS
下 列 分 子 中, 具 有 T 形 几 何 构 型 的 是 A: NH3 B: NF3 C: BrF3 D: PCl3
下 列 分 子 中, 具 有 T 形 几 何 构 型 的 是 A: NH3 B: NF3 C: BrF3 D: PCl3
In May 2017, on the first BRF for international cooperation, President Xi said: We should strengthen cooperation in frontier areas, such as digital economy and so on, linking them into the _______ .( ) A: digital Silk Road of the 21st century B: big data Silk Road C: Online Silk Road D: Silk Road Fiber Optic Cable
In May 2017, on the first BRF for international cooperation, President Xi said: We should strengthen cooperation in frontier areas, such as digital economy and so on, linking them into the _______ .( ) A: digital Silk Road of the 21st century B: big data Silk Road C: Online Silk Road D: Silk Road Fiber Optic Cable