Electronic Structure CP

Front

Einstein's Photoelectric Effect proved that light had a ____ nature.

Back

particle

Front

When atoms _____________ energy, their electrons move to higher energy levels. These electrons _____________ energy by emitting light when they return to lower energy levels.

Back

absorb, lose

Front

What subatomic particle is responsible for the spectral lines seen in emission spectra diagrams?

Back

electrons

Front

Who proposed that electrons are only found in specific, discrete circular orbits around the nucleus?

Back

Niels Bohr

Front

In the Bohr model, the lowest energy level is ______ the nucleus.

Back

closest to

Front

What is the principle of quantization in atomic structure?

Back

Electrons can only exist in specific energy levels and not in between.

Front

Define the term 'ground state' in relation to electrons in an atom.

Back

The lowest energy state of an electron in an atom.

Front

What is an emission spectrum?

Back

A spectrum of the electromagnetic radiation emitted by a source.

Front

Explain the concept of energy levels in an atom.

Back

Energy levels are the fixed distances from the nucleus where electrons can exist.

Front

What is the significance of the quantum number in atomic structure?

Back

Quantum numbers describe the properties of atomic orbitals and the electrons in them.