The Quantum Atom

Front

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

Back

particle

Front

De Broglie provided a mathematical model of the electron as a ____.

Back

wave

Front

Heisenberg's uncertainty principle states that ___ and ___ cannot BOTH be known simultaneously?

Back

position and momentum

Front

As frequency increases, wavelength _____.

Back

decreases

Front

The Quantum Mechanical Model of the Atom describes the electron's probable location around the nucleus in a 3-D cloud called a(n) ___.

Back

orbital

Front

What is the term for the smallest unit of an element that retains its properties?

Back

atom

Front

What is the principle that states that energy is quantized and can only exist in discrete amounts?

Back

quantization

Front

What is the term for the region in an atom where there is a high probability of finding an electron?

Back

orbital

Front

What does the term 'wave-particle duality' refer to?

Back

The concept that light and matter exhibit properties of both waves and particles.

Front

What is the formula for calculating the energy of a photon?

Back

E = hf, where E is energy, h is Planck's constant, and f is frequency.