Chapter 9.3 Quizizz

The characteristic pattern of colors is called a ______________. (page 229)

• spectrum

• spectral image

• rainbow unicorn

Each individual color is called a __________________ because each color appears as a line in a spectrometer. (page 229)

• spectrum

• spectral line

• colorful unicorn

Light is a form of ______________. (page 229)

• energy

• mass

• density

Which physicist proposed the concept of energy levels to explain the spectrum? (page 230)

• Neils Bohr

• Wolfgang Pauli

• Erwin Schrodinger

A _________ is a quantity of something that cannot be divided any smaller. (page 230)

• unicorn

• molecule

• quanta

____________ says that when a particle (such as an electron) is confined to a small space (inside an atom) the energy, momentum, and other variables of the particle become quantized and can only have specific values. (page 230)

• Quantum Theory

• Molecular Theory

• Mrs. Kelly's Unicorn Theory

The _________________ spreads the electron out into a three-dimensional cloud with a shape that depends on the electron's energy level and location within its energy level. (page 231)

• chief of state

• quantum state

• molecular state

Two electrons can never be in the same quantum state at the same time. This is known as ___________________. (page 231)

• quantum theory

• Pauli exclusion principle

• Plank's constant

According to __________, a particle's position, momentum, energy, and time can never be precisely known in a quantum system. (page 232)

• uncertainty principle

• Plank's constant

• quantum state

• the unicorn principle

In the quantum world light energy comes in little bundles called ________________.

• rays

• pockets

• photons

• unicorn horns