The Electron in a Hydrogen Atom Falls from an Excited

question 65

Multiple Choice

The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 1870 nm and 102.5 nm, respectively. What is the principal quantum number or shell of the initial excited energy level from which the electron falls

• A) 2
• B) 3
• C) 4
• D) 6
• E) 8

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Definitions:

Measure Of Central Tendency

A measure of central tendency is a single value that attempts to describe a set of data by identifying the central position within that set, such as the mean, median, or mode.

Population Parameter

A numerical value that represents a characteristic of a population, such as its mean or standard deviation.

Skewed

A description of a distribution that is not symmetrical, with a longer tail on one side of the central peak than the other, indicating that it is either left or right skewed.

Bimodal

Having or characterized by two distinct peaks or modes in a distribution of values.