CHAPTER 2 QUIZ

According to Bohr's model, how do electrons travel?

• Electrons move in and out of the nucleus

• Electrons do not move

• Electrons move in circular orbits around the nucleus

• Electrons move in a straight line

When an electron jumps from its orbit to another orbit, energy is

• emitted only

• absorbed only

• no effect

• emitted or absorbed

What determines the difference in energy between two energy levels

• Distance between the two energy levels

• Number of electrons in the energy levels

• Distance from the nucleus

• Number of valence electrons

Emission of light from an atom occurs when an electron

• A) drops from a higher to a lower energy level

• B) moves within its atomic orbital

• C) jumps from a lower to a higher energy level.

• D) falls into the nucleus

A spectrum containing only electromagnetic radiation of discrete specific wavelengths is known as

• A) line spectrum

• B) continuous spectrum

• C) visible spectrum

• D) valence spectrum

Which of the following describes an orbital?

• A) 2-dimensional space

• B) Fixed distance from the nucleus

• C) Varied distance from the nucleus

• D) Elliptical shape

How many electrons can an energy level of n = 2 hold?

• A) 12

• B) 10

• C) 8

• D) 6

What is the correct representation for an orbital which has n value of 4 and an l value of 2?

• A) 4s

• B) 4d

• C) 4p

• D) 4f

How many subshells are at the 3rd energy level?

• A) 2

• B) 4

• C) 3

• D) 5

If quantum number n = 3, what are the possible values for l

• A) 0, 1, 2, 3, 4

• B) 0, 1, 2, 3

• C) 0, 1, 2

• D) 1, 2, 3