Chemistry Chapter 4 "Arrangement of Electrons in Atoms"

Question 1

Continuous spectrum

Answer 1

The emission of a continuous range of frequencies of electromagnetic radiation

Question 2

Electromagnetic radiation

Answer 2

Which is a form of energy that exhibits wavelike behavior as it travels through space.

Question 3

Electromagnetic spectrum

Answer 3

Together, all of the forms of electromagnetic radiation form the electromagnetic spectrum

Question 4

Excited state

Answer 4

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

Question 5

Frequency

Answer 5

Frequency (v) is defined as the number of waves that pass a given point in a specific time, usually one second.

Question 6

Ground state

Answer 6

The lowest energy state of an atom

Question 7

Line-emission spectrum

Answer 7

When a narrow beam of the emitted light was shined through a prism it was sparated into a series of specific frequencies of visible light. The bands of light were part of what is known as hydrogen’s line-emission spectrum.

Question 8

Photoelectric effect

Answer 8

The photelectric effects refers to the emission of electrons from a metal when light shines on the metal.

Question 9

Photon

Answer 9

Is a particle of electromagnetic radiation having zero mass and carrying a quantum of energy.

Question 10

Quantum

Answer 10

Is the minimum quantity of energy that can be lost or gained by an atom

Question 11

Wavelength

Answer 11

is the distance between corresponding points on adjacent waves

Question 12

Angular momentum quantum number

Answer 12

Symbolized by 1, indicates the shape of the orbital

Question 13

Electron configuartion

Answer 13

The arrangement of electrons in an atom is known as the atom’s electron configuration

Question 14

Heisenberg uncertainty principle

Answer 14

States that it is impossible to determine simultaneously both the position an velocity of an electron or any other particle

Question 15

Magnetic quantum number

Answer 15

Symbolized by m, indicates the orientation of an orbital around the nubleus

Question 16

Orbital

Answer 16

is a 3 dimensional region around the nucleus that indicates the probable location of an electron

Question 17

Principal quantum number

Answer 17

Symbolized by n, indicates the main energy level occupied by the electron

Question 18

Quantum number

Answer 18

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

Question 19

Quantum theory

Answer 19

Describes mathematically the wave properties of electrons and other small particles.

Question 20

Spin quantum number

Answer 20

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

Question 21

Aufbau principle

Answer 21

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

Question 22

Highest occupies level

Answer 22

Is the electron-containing main energy level with the highest principal quantum number

Question 23

Hund’s rule

Answer 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.

Question 24

Inner-shell electrons

Answer 24

which are electrons that are not in the highest occupied energy level

Question 25

Noble gases

Answer 25

the group 18 elements

Question 26

Noble-gas configuration

Answer 26

is an outer main energy level fully occupied in most cases by eight electrons

Question 27

Pauli exclusion principle

Answer 27

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