Which One of the Following Is True

question 25

Multiple Choice

Which one of the following is true?

• A) The principal quantum number of the electron in a hydrogen atom does not affect its energy.
• B) The orbital angular momentum quantum number of an electron state is always less than the principal quantum number.
• C) The electron spin quantum number can take on any one of four different values.
• D) The principal quantum number of an electron in the ground state is zero.

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Definitions:

Urology

A branch of medicine that focuses on surgical and medical diseases of the male and female urinary-tract system and the male reproductive organs.

Pediatrics

The branch of medicine dealing with the care and treatment of infants, children, and adolescents.

Neurology

The branch of medicine dealing with disorders and diseases of the nervous system.

Cardiology

The medical specialty focused on the diagnosis and treatment of diseases and conditions related to the heart and blood vessels.