Por qué la configuración electrónica del átomo de cromo es 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1 3d 5 en lugar de 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 4

Can someone me with 1 to 4 plz. fast

Acontrol during an experiment. might change remains constant does not exist does change

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color