If the K, L, and M energy levels of Pt are 78000 eV, 12000 eV and 30000 eV, respectively, [img=164x27]17da69b5ba9e0d2.png[/img]line from Pt is ( )
A: 43.6 pm
B: 92.6 pm
C: 14.3 pm
D: 18.6 pm
A: 43.6 pm
B: 92.6 pm
C: 14.3 pm
D: 18.6 pm
举一反三
- If the K, L, and M energy levels of Pt are 78000 eV, 12000 eV and 30000 eV, respectively, [img=164x27]17869ee468dc784.png[/img]line from Pt is ( ) A: 14.3 pm B: 43.6 pm C: 92.6 pm D: 18.6 pm
- If the K, L, and M energy levels of Pt are 78000 eV, 12000 eV and 30000 eV, respectively, the wavelength of Ka line from Pt is ( )
- 根据《环境空气质量标准》(GB3095-2012),环境空气污染物基本项目不包括()。 A: SO<sub>2</sub> B: PM<sub>10</sub> C: PM<sub>2.5</sub> D: NO<sub>x</sub>
- 根据《环境空气质量标准》(GB3095—2012),环境空气污染物基本项目不包括()。 A: CO B: TSP C: PM<sub>10</sub> D: PM<sub>2</sub><sub>.</sub><sub>5</sub>
- 该致病菌感染人体的主要途径是()。 A: 飞沫 B: 气溶胶 C: PM<sub>10</sub> D: PM<sub>2.5</sub> E: 灰尘