Chemistry 9 Chapter 5 Quiz

Each element has an identical line spectrum.

• True

• False

In their lowest energy state, atoms are known to contain up to only four energy levels.

• True

• False

Bohr’s model was a great accomplishment and provided an accurate view of the emission spectra of all atoms.

• True

• False

Whose work helped to explain line spectra?

• Niels Bohr

• Hans Geiger

• Ernest Rutherford

• Werner Heisenberg

What is the pattern for colored lines that was discovered while analyzing light produced by heated elements?

• emission spectrum

• ground state

• color spectrum

• excited state

Niels Bohr proposed the concept of principal energy levels, which he envisioned as a set of circular tracks on which _________ orbited.

• sublevels

• isotopes

• electrons

• alpha particles

Bohr’s model accurately illustrated the emission spectra of a(n) __________ atom.

• carbon

• hydrogen

• oxygen

• nitrogen

Light is made up of massless particles called _________.

• photons

• electrons

• waves

• orbitals

The wave-particle theory describes how an electron can act as both a particle and a(n) _________.

• electron

• wave

• photon

• proton

The s, p, d, and f sublevels are identified by _________ quantum numbers.

• principal

• orbital

• sublevel

• magnetic