Chapter 4

Question 1

A form of energy that exhibits wavelike behavior as it travels through space.

Answer 1

Electromagnetic Radiation

Question 2

All of the forms of electromagnetic radiation form…

Answer 2

The Electromagnetic Spectrum

Question 3

The distance between corresponding points on adjacent waves.

Answer 3

Wavelength

Question 4

The number of waves that pass a given point in a specific time, usually one second

Answer 4

Frequency

Question 5

The emission of electrons from a metal when light shines on the metal

Answer 5

Photoelectric Effect

Question 6

The minimum quantity of energy that can be lost/gained by an atom

Answer 6

Quantum

Question 7

Particle of electromagnetic radiation having zero mass and carrying a quantum of energy

Answer 7

Photon

Question 8

Lowest energy state of an atom

Answer 8

Ground State

Question 9

A state in which an atom has a higher potential energy than it has in its ground state

Answer 9

Excited State

Question 10

When a narrow beam of the emitted light was shined through a prism, it was separated into 4 specific colors of the visible spectrum

Answer 10

Line-emission spectrum

Question 11

The emission of a continuous range of frequencies of electromagnetic radiation

Answer 11

Continuous Spectrum

Question 12

This principle states that it is impossible to determine simultaneously both the position and the velocity of an electron or any other particle

Answer 12

Heisenberg Uncertainty Principle

Question 13

Mathematically describes the wave properties of electrons and other very small particles

Answer 13

Quantum Theory

Question 14

A 3d region around the nucleus that indicates the probable location of an electron

Answer 14

Orbital

Question 15

Specifies the properties of atomic orbitals and the properties of electrons in orbitals

Answer 15

Quantum Numbers

Question 16

Indicates the main energy level occupied by the electron

Answer 16

Principal quantum number

Question 17

Indicates the shape of the orbital

Answer 17

Angular momentum quantum number

Question 18

Indicates the orientation of an orbital around the nucleus

Answer 18

Magnetic Quantum Number

Question 19

Has only 2 possible values (+1/2 and -1/2): Indicates the two fundamental spin states of an electron in an orbital

Answer 19

Spin Quantum Number

Question 20

The arrangement of electrons in an atom

Answer 20

Electron Configuration

Question 21

An electron occupies the lowest-energy orbital that can receive it

Answer 21

Aufbau principle

Question 22

No two electrons in the same atom can have the same set of four quantum numbers

Answer 22

Pauli exclusion principle

Question 23

Orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron, and all electrons in singly occupied orbitals must have the same spin state

Answer 23

Hund’s Rule

Question 24

The group 18 elements (helium, neon, argon, krypton, xenon, and radon)

Answer 24

Noble gases

Question 25

An outer main energy level occupied by eight electrons

Answer 25

Noble-gas configuration