Unit 3 Test Review - Atomic Theory (FY23)

Front

What does the angular momentum quantum number indicate?

Back

The shape of an orbital.

Front

According to Bohr's model, where can electrons not reside?

Back

At point C.

Front

What is one feature of Dalton's atomic theory that is no longer considered correct?

Back

All atoms of each element are identical in every respect.

Front

What is the best explanation for why Dalton's feature about identical atoms is no longer valid?

Back

The existence of isotopes.

Front

Who developed the plum pudding model of the atom?

Back

J. J. Thomson.

Front

How is frequency related to wavelength?

Back

Frequency is indirectly related to wavelength.

Front

What is the definition of an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the main energy level of an orbital called?

Back

Principal quantum number.

Front

What does the term 'quantum' refer to in atomic theory?

Back

The smallest discrete quantity of energy.

Front

What is the significance of the electron cloud model?

Back

It describes the probable locations of electrons around the nucleus.