Awavelength of 486.2 nm is emitted by the hydrogen atoms in a high-voltage discharge tube. what are the (a) initial and (b) final values of the quantum number n for the energy level transition that produces this wavelength?

well, you would divide 135 by 33 to get your answer. then that is how many seconds it would take. boardman should fly about 132 m or 4.090909090909091 seconds.

a.   mass number from atomic number

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.