Interaction of Radiation and Matter

Question 1

An angstrom is equivalent to how many meters?

Answer 1

10^-10m

Pg. 113

Question 2

The orbital momentum of an electron is ______.

Answer 2

Quantized.

Pg. 112

Question 3

What is an electron volt?

Answer 3

It is the change in energy of an electron when the electrical potential drops by one volt.

Pg. 111

Question 4

The only stable state of a Bohr atom is the ____.

Answer 4

Ground state.

Pg. 115

Question 5

What is an excited state?

Answer 5

Any state with a quantum number greater than or equal to 2.

Pg. 115

Question 6

Transitions from higher energy to lower energy states __________.

Answer 6

Release photons.

Pg. 116

Question 7

Transitions from lower energy to higher energy states __________.

Answer 7

Absorption of photons.

Pg. 116

Question 8

True or False

Energy level differences in hydrogen follow distinct and recognizable patterns.

Answer 8

True

Pg. 116

Question 9

For hydrogen, all downward transitions that end with n = 1 correspond to wavelengths in the ________.

Answer 9

Ultraviolet range.

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