The Energy of the Nth Level in a One-Electron Atom

question 132

Multiple Choice

The energy of the nth level in a one-electron atom is . Consider a beryllium ion with all but one of its electrons removed a beryllium atom normally has four electrons) . What is the wavelength of a photon emitted when the electron makes the transition from the third-lowest to the lowest energy state?

• A) 1.03 × 10^-7 m
• B) 2.03 × 10^-8 m
• C) 6.43 × 10^-9 m
• D) 5.71 × 10^-9 m
• E) 1.03 × 10^-27 m

---

Definitions:

Fruits

The mature ovary of a flowering plant, usually containing seeds.

Plant Evolution

The scientific study of how plant species have changed over time through processes such as natural selection and genetic drift.

Sporophyte Dominant

Refers to life cycles in which the multicellular diploid phase (sporophyte) is the more prominent phase compared to the gametophyte.

Haploid

A cell or nucleus having a single set of unpaired chromosomes, typically found in gametes of sexually reproducing organisms.