welcome to Mr. Bavly's quizzes

when (n=2), then one of the possible values of the subsidiary quantum number is ............

• -2

• 0

• 1/2

• 2

which of the following quantum numbers include a mistake?

• n=2 , l=1 , m_l=+1

• n=4 , l=2 , m_l=+1

• n=3 , l=3 , m_l=-2

• n=3 , l=0 , m_l=0

in the excited hydrogen atom, a photon of light with wavelength 486 nm is emitted when an electron transfers from the principal level (n=4) to the principal level ......

• n=1

• n=2

• n=3

• n=4

the electron which has the four quantum numbers :
(n=4 , l=3 , m_l=+2 , m_s=+1/2)

• 3d

• 6s

• 5p

• 4f

what is the maximum number of electrons which have the spin quantum number (ms =+1/2) in the sublevel (n=3) ?

• 3e

• 5e

• 7e

• 14e

which of the following becomes saturated with the highest number of electrons?

• one of the 4f orbitals

• 3d sublevel

• principal level n=2

• one of 3d orbitals

the scientist who presumed that it is most probable to find electrons in the orbital is ......

• Bohr

• Rutherford

• Thomson

• Schrodinger

the five single electrons present in the sublevel 3d⁵ are similar in all the following except ........

• principal quantum number

• subsidiary quantum number

• magnetic quantum number

• spin quantum number

which of the following transfers of electron in hydrogen atom produces a photon with the lowest wavelength?

• (n=3) ---> (n=2)

• (n=4) ---> (n=3)

• (n=3) ---> (n=1)

• (n=4) ---> (n=1)