Unit 7 (Electrons)

A.) Light as a ____________

ROYGBIV

B.) Light as a _____________.

1.) The higher the energy, the _______ the frequency ________ the wavelength

2.) As Frequency increase, Wavelength _______.

Energy is _________ related to frequency and ________ related to wavelength.

Frequency and Wavelength have a ______ relationship

1.) What happens to the white light as it passes through a prism? _______________________________________2.) Do all the colors of light travels at the same speed? _______ They travel at what speed? ______________3.) Which color has the highest energy? __________ Lowest energy? _________4.) The color with the highest energy has the (lowest/highest) frequency and (shortest/longest) wavelength.5.) What is the relationship between wavelength and frequency? _______________________________________

1.)List the spectral line for hydrogen gas and corresponding wavelength.

2.) List the spectral ling for boron gas and corresponding wavelength.

3.) For hydrogen, which color of light has the highest wavelength?______. If it has the highest wavelength, it should have _______ energy and ______ frequency.

1.)Which of the following waves has the Highest frequency? ___________2.)Which of the following waves has the highest energy? ___________3.)Which color, red or green has a higher energy? ________4.)Which radiant has the highest speed? ____________

_________(_____)

________ from ______ to ______ or ______ to ______

Unit:

_________(______)

The _______of times waves ____ a point in a given time

Unit:

_________(_____)

_______ of a wave’s _______ or ________

Unit:

_____________

Energy Level or _______

___________ state

___________state

C.) ________________ Mechanical Model of the atom

Bohr Model vs Quantum Mechanical model

-__________ orbits the ________ ________ -describes the _________________ area of high in _________ __________ _______________around the _________ where an ________Is likely __________

Ground(Lower energy level)

Excited(Higher energy level)

When electron absorb energy, it will move to the _________state. This means they move to a highter ________ ______.When electron return to the ground state, it will _________ energy in the form of light and move _______to the original energy level..

1.) The bright-line spectrum of an element occurs when an _________ moves from (high to low/ low to high) energy level.

2.) Light is produced when electron (release/absorb) energy as they (move up/return) to the (ground/excited) state.

The electron is changing energy level from N=__ to N= __.

This model shows electron (gain/lose) energy as it move to the (excited/ground) state and move to a (higher/loser) energy level.

Is energy being absorb or release? ________

The electron is changing energy level from N=_____ to N= ______.

This model shows electron (gain/lose) energy as it move from the (excited/ground) state and to the (higher/loser) energy level.

Is energy being absorb or release? ________.

__________(raditon) is being ___________ in the form of ________

Electromagnetic spectrum

1.) Violet light has a wavelength of 4.10 x 10-12 m. What is the frequency?

2.) Green light has a frequency of 6.01 x 1014 Hz. What is the wavelength?

3.) What is the wavelength (in meters) of the electromagnetic carrier wave transmitted by The

Sports Fan radio station at a frequency of 640 Hz?

4.) Calculate the wavelength of radiation with a frequency of 8.0 x 1014 Hz

5.) What is the wavelength of light with a frequency of 7.66 x 1014 Hz?

6.) A helium laser emits light with a wavelength of 633 nm. What is the frequency of the light?

7.) What is the wavelength of X-rays having a frequency of 4.80 x 1017 Hz?

9.) Calculate the energy of a photon of radiation with a frequency of 8.5 x 1014 Hz.

10.) Calculate the energy of a gamma ray photon whose frequency is 5.02 x 1020 Hz?

11.) Calculate the energy of a photon of radiation with a wavelength of 6.4 x 10-7 m.

12.) What is the energy of light whose wavelength is 4.06 x 10-11 m?

# of Valance Electron

Electron Configuration

Electron/Lewis Dot Model

Energy Level

Wavelength Frequency Energy

1.) 5.80 x10-5m

2.) 8.50x1012Hz

3.) 5.0x10-18m

Questions:

1.) Family/ Group has (different/same) number of valance electron.

2.)

3.) Match(Draw line) the element that’s in the same group/family 4.) Match( Draw line) the element with the correct # of valance electron

A.) 1s22s22p63s23P3 1s22s22p63s22P2 A.) Hydrogen6

B.) 1s22s22p63s23P2 1s22s22p63s23P4 B.) Oxygen8

C.) 1s22s22p4 1s22s22p63s23P64s1 C.) Neon1

D.) 1s22S1 1s22s22p63s22P3 D.) Magnesium 2

5.) Match (draw line) for element with the same Lewis Dot structure 6.) Match (Draw line) the element to its Lewis-electron Dot Structure

A.) Oxygen Chlorine A.) 1s22s22p63s22P3

B.)Argon Sulfur B.) 1s22s22p63s22P6

C.) Hydrogen Potassium C.) 1s22s22p63s23P64s2

D.) Fluorine Neon D.) 1s22s22p1

Electron Configuration in ground state

Lewis Electron-Dot

Energy Level

1s22s22p63s1

1s22s22p63s23P4

Energy Level Sublevel/ Orbitals Total # of Electrons

12345

7.) Match (draw line) to the maximum # of electron each sublevel can hold 8.) Match (draw line) the electron configuration to its Proton number

A.) S 10 A.) 1s22s22p63s23p64s2

7

B.)P 6 B.) 1s22s22p63s23p64s23d104p1 35

C.)D 2 C.) 1s22s22p63s23p64s23d104p5

31

D.)F 14 D.) 1s22s22p3

20

9.) Write the electron configuration, Noble Gas configuration, and orbital notation for : ___________

Electron Configuration

_____ region around the ________ where there is a _________ ________to find an ___________. Orbital: Maximum # per orbital = _______

Orbitals:

Shape:

Orbital Notation:

Element Orbital Notation /Electron Configuration Valance Electron

Lewis Dot Structure

Energy Level

Rules :

1.) _________ Principle:_______ must fill ______ energy orbital ________filling __________ energy orbital.

2.) _________ exclusion principle:Orbital can have a __________ of ____ electrons and each electron in an orbital has an ________ spin.

3.) _______ Rule: Each orbital in a sublevel must be occupied by a _______ electron, before ________.

H

Li

N

Ne

He

O

Cl

P

Element Orbital Notation /Electron Configuration Valance Electron

Lewis Dot Structure

Energy Level

H

Mg

S

Ar

Ca

Zn

V

As

Kr

Sr

Fe