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RENCANA PELAKSANAAN PEMBELAJARAN

Republic of the Philippines

PANGASINAN STATE UNIVERSITY

BAYAMBANG CAMPUS

Integrated School – High School Department

Bayambang, Pangasinan

S.Y. 2018 – 2109

Chemistry : Atom’s from the Eyes of Philosophers and Scientists

Submitted by :

Febry Prastyo

Student Teacher

LESSON PLAN

Unit of Education : PSU Integrated Schools - High School

Subject : Chemistry

Grade : XII

Topic : Elements, Atoms and Their History

Sub Topic : Atoms from the Eyes of Philisophers and Scientiests

Time Allocation : 1 Hour x 1 Meeting

A. Main Competencies

1. Appreciate and live the religion teachings that he embraces.

2. Respect and live honest, discipline, responsibility, caring (tolerance, mutual assistance),

courteous, confident, in interacting effectively with the social and natural environment

within the reach of the association and its existence.

3. Understanding and applying knowledge (factual, conceptual, and procedural) based on

his curiosity about science, technology, art, culture related phenomena and visible eye

events.

4. Processing, serving, and reasoning in concrete realms (using, parsing, assembling,

modifying, and making) and abstract realms (writing, reading, computing, drawing and

composing) as learned in school and other similar sources in point of view / theory.

B. Basic Competencies and Indicator

3.1 Understanding atom, the philosophers and scientists eyes and dalton’s atomic theory

Indicator :

3.1.1 Understanding correlation of atom, the philosophers and scientists eyes and Dalton’s

atomic theory

4.1 Presents work on the impact of development atom from the philosophers and scientists eyes

Indicator:

4.1.1 Present the understanding on the impact of development atom from the philosophers

and scientists eyes

C. Learning Objectives

Cognitive Objectives (Knowledge)

1. Through discussion learner can explain the concept of atom theory

2. Through discussion learners can identify how the eyes of the philosophers and scientists

about atom

Objectives (attitude)

1. In the learning activities, learners can pay attention to the teacher in front of the class

with conducive

2. Learners can be confident to come forward to explain the discussion

Psychomotor Goals (skills)

1. Learners skilled in analyzing the discussion

2. Through discussion students can explain the summary

D. Learning Topics

1. Atoms from the eyes of philosophers and scientists

2. Dalton’s atom theory

E. Approach / Model / Method of Learning

Approach : Contextual Teaching and Learning (CTL)

Model : Cooperative Learning

Method : Discussion, question and answer, and presentation

F. Learning Media

Learning Media : Write board, Pen, LCD, Projector and Students

G. Source of Learning

Santiago Karen S and Silverio Angelina A, Physical Science, Quezon City: Phoenix

Publishing House, 2016

Karnoto Bambang K and Riyadi Sapto, SPM IPA, Jakarta: Erlangga, 2015

H. Steps of Learning Activities

1. The teacher opens the lesson with greetings and continues to lead the prayer

2. The teacher invites students to be grateful to have been given the opportunity by God to

meet each other in class

3. The teacher gives apperception about the things around the student that have atomic parts

in them

4. The teacher gives a big explanation about atoms

5. The teacher invites students to respond to the explanation that has been stated

6. The teacher connects the explanation with the development of the atomic view of

philosophers and scientists

7. The teacher goes on to explain to the topic of the atomic theory of Dalton by explaining

the history of the theory

8. The teacher explains the description of the dalton atomic theory outline

9. The teacher more inviting students to enter into the atomic dalton theory discussion

10. At the end of the lesson before the teacher giving conclusion about the lesson, the

theacher invites students to make a summary of the lessons that have been discussed

11. The teacher invites students to be grateful to the God again and wishes could meet in

other chance

12. The teacher closes the lesson by leading prayer and greetings



BAYAMBANG CAMPUS



S.Y. 2018 – 2019

SEMI-DETAILED LESSON PLAN IN CHEMISTRY GRADE 12

Structure of an Atom

Submitted by :

Febry Prastyo

Student Teacher

Submitted to :

Monica L. Paragas

Supervising Instructor

Submission date :

August 29, 2018

I. Objectives

At the end of a 60-minute class interaction, the student should be able to :

a. describe the structure of an atom ;

b. differentiate alpha, beta and gamma rays ;

c. explain the Thomson’s plum pudding model of an atom ;

d. explain the Rutherford’s gold foil experiment ;

e. explain the protons, neutrons and electrons.

II. Subject Matter

A. Topic : Structure of an Atom

Sub Topic : Protons, Neutrons and Electrons

B. References :

Santiago Karen S and Silverio Angelina A, Physical Science, Quezon City: Phoenix


Karnoto Bambang K and Riyadi Sapto, SPM IPA, Jakarta: Erlangga, 2015

https://courses.lumenlearning.com/boundless-chemistry/chapter/the-structure-of-the-

atom/

C. Materials : Laptop, Book, chalkboard, chalk, pictures

D. Value Integration : Collaboration

III. Procedure

A. Preliminary Activities

a. Opening prayer

b. Checking of Attendance

c. Review

B. Motivation

The teacher will show a picture of an atom and let the students label the particle present

in the atom.

Guided Questions :

1. What have you observed in the picture?

2. Where are the protons located in the atom?

https://courses.lumenlearning.com/boundless-chemistry/chapter/the-structure-of-the-atom/


3. Where are the electrons located in the atom?

4. Where are the neutrons located in the atom?

C. Presentation of The Lesson

D. Development of The Lesson

1. The teacher will use the lecture method

2. The teacher will discuss the lesson using chalkboard

a. Discuss about nucleus

b. Discuss about radioactivity including alpha, beta and gamma rays

c. Discuss the Thompson plum pudding model of an atom

d. Discuss the Rutherford’s gold foil experiment

e. Discuss about protons, neutrons and electrons

E. Generalization

1. The teacher will ask the students

a. what are the parts of atomic structure?

b. mention what the charge is on alpha, beta and gamma rays?

c. what are explained in the Thomson plum pudding model of an atom?

d. what particles pass and deflected on Rutherford’s gold foil experiment?

e. how many mass of the protons, neutrons and electrons?

IV. Evaluation

The class will answer questions from the teacher on the paper and collect them after they

are finished.

Identify the following statement:

1. It is the center of an atom which composed of protons and neutron.

2. The ability of a material to undergo spontaneous emission of particles or radiation.

3. It is consist of positively charged particles and are deflected by positively charged

plate.

4. He proposed the “plum-pudding” model of an atom, which illustrated how the

negatively charged electrons are mixed with smeared out positive charges.

5. It is consist of beta particles and are deflected by negatively charged plate.

6. He performed the gold foil experiment to another view on the structure of the atom.

7. It is the positively charged particle in the nucleus.

8. He discovered neutrons.

9. It has high energy and have no charge and are not deflected by an external electric or

magnetic field.

10. It is the mass of an electron.

V. Assignment

Teacher let student to read/browse about new lesson for the next meeting, The Atomic

Number and Atomic Mass.



BAYAMBANG CAMPUS



S.Y. 2018 – 2019


Atomic Number and Atomic Mass

Submitted by :

Febry Prastyo

Student Teacher

Submitted to :

Monica L. Paragas


Submission date :

September 03, 2018

I. Objectives

At the end of a 60-minute discussion, the student should be able to:

a. determine the atomic number and atomic mass of an element;

b. compute the number of neutrons, protons and electrons of an element;

c. define isotopes and ions;

d. appreciate the importance of atomic number and atomic mass

II. Subject Matter

A. Topic: Atomic Number and Atomic Mass

Sub Topic: Isotopes and Ions

B. References:

Santiago,Karen S., Silverio, Angelina A. Physical Science. Quezon City: Phoenix

Publishing House, 2016.pp.17-20.

Araneta,Fely L.,Catris,Leticia, V.,Deduna,Melecio C. The World Of Chemistry.SIBS

Publishing House,Inc.2010.pp.72-76

https://courses.lumenlearning.com/boundless-chemistry/chapter/the-structure-of-the-

atom/

C. Materials: Laptop, chalkboard and manila paper

D. Values Integration: Collaboration

III. Procedure


1. Opening Prayer

2. Checking of Attendance

3. Review

B. Motivation

The teacher will ask the students to give an example of element and let the students locate

its atomic number and atomic mass

C. Presentation of The Lesson : Atomic mass---A

X----element

Atomic number-Z



D. Development of the Lesson



f. Discuss the atomic number and atomic mass of an element

Compute the number of neutrons, protons and electron of an element

g. Show the steps in calculating the atomic number and atomic mass of an element.

Atomic number (Z) = protons (p+) = electrons (e-)

Atomic mass (A) = protons (p+) + neutrons (n0)

Or = atomic number (Z) + neutrons (n0)

Neutrons (n0) = atomic mass (A) - atomic number (Z)

(Z) = (p+) = (e-)

(A) = (p+) + (n0)

Or (A) = (Z) + (n0)

(n0) = (A) - (Z)

h. Discuss the isotopes of an element

i. Discuss the ions

E. Generalization

The class will be divided into two groups. The teacher will give two elements to be

answered by the students. The teacher will give element one at a time.

The teacher will ask the students the following questions :

a. Determine the neutrons, protons and electron of an element?

No. Element Atomic

Number

(Z)

Atomic

Mass

(Z)

Protons

(p+)

Electrons

(e-)

Neutrons

(no)

1. Ni 28 59

No. Element Atomic

Number

(Z)

Atomic

Mass

(Z)

Protons

(p+)

Electrons

(e-)

Neutrons

(no)

1. K 39 20

T

b. What are isotopes?

c. What are ions?

IV. Evaluation

Complete the table.

No Element Atomic number

(Z)

Atomic

mass (A)

Protons

(p+)

Electrons

(e-)

Neutrons

(n֯)

1. Cu29 64

2. Al13 14

3. Fe26 30

4. I53 74

5. Mn55 30

V. Assignment

Teacher let student to read/browse about new lesson for the next meeting, The Quantum

Model of the Atoms.



BAYAMBANG CAMPUS



S.Y. 2018 – 2019


Quantum Model of the Atoms

Submitted by :

Febry Prastyo

Student Teacher

Submitted to :

Monica L. Paragas


Submission date :

September 03, 2018

I. Objectives


e. describe the model of the atoms;

f. differentiate the quantum numbers;

g. define the principal, azimuthal, magnetic and spin quantum number;

h. write the electron in an atom using the four quantum numbers;

i. appreciate the importance of the quantum model of the atoms.

II. Subject Matter

E. Topic: Quantum Model of the Atoms

Sub Topic: Quantum Numbers

F. References:



Araneta, Fely L., Catris, Leticia V.The World Of Chemistry.SIBS Publishing House,

Inc.2010,p.95-99

G. Materials: Laptop, chalkboard and manila paper

H. Values Integration: Patience and Honesty

III. Procedure

F. Preliminary Activities

4. Opening Prayer


6. Review

G. Motivation

The class will be divided into four. Each group must be given a jumbled letters. The

teacher will give name to the group. There will be Team A, Team l, Team Ml and team

Ms. The student will post their answer in the board. The teacher will ask the student

about the word they have formed.

H. Presentation of The Lesson

The teacher will ask one to two representatives from the group.

a. What do you know about the word you have formed?

I. Development of the Lesson



j. Discuss the quantum number

Break up quantum numbers into 4 parts; principal, azimuthal, magnetic and spin

quantum number

k. Discuss the principal quantum number

l. Discuss the azimuthal quantum number

m. Discuss the magnetic quantum number

n. Discuss the spin quantum number

J. Generalization

The class will be divided into two groups. The teacher will give two example statement

or characteristic of quantum numbers to be differentiate and answered by the students.

The teacher will give two characteristic at a time.

IV. Evaluation

Identify the following statement.

1. It is the shape of p orbital

2. It is the shape of s orbital

3. It indicates the size of the orbital.

4. It indicates the spins of the electrons

5. It is the maximum number of electrons in the d sublevel.

6. It is the maximum number of electrons in the f sublevel.

7. It is also known as Angular momentum quantum number.

8. It indicates the orientation of an orbital around the nucleus

9. It is composed of a set of orbitals that have the same principal quantum number.

10. It indicates the main energy level occupied by an electron, and takes on positive

integers.

V. Assignment

Teacher let student to read/browse about new lesson for the next meeting, Electric

Distribution



BAYAMBANG CAMPUS



S.Y. 2018 – 2019


Electron Distribution

Submitted by :

Febry Prastyo

Student Teacher

Submitted to :

Monica L. Paragas


Submission date :

September 04, 2018

I. Objectives


a. explain electron distribution;

b. explain the noble gas electron configuration;

c. state and explain pauli exclusion principle;

d. show the electron arrangement in the sublevels of the atom using the aufbau

principle;

e. illustrate the distribution of the electrons in the orbitals by applying hund’s rule of

maximum multiplicity;

f. appreciate the importance of electron distribution.

II. Subject Matter

A. Topic: Electron Distribution

Sub Topic: Noble Gas Electron Configuration

B. References:


Publishing House, 2016.p.31-34.

Araneta,Fely L.,Catris,Leticia, V.,Deduna,Melecio C. The World Of Chemistry.SIBS

Publishing House,Inc.2010.p.92-94

C. Materials: Chalkboard and manila paper

D. Values Integration: Honesty and Patience

III. Procedure


1. Opening Prayer


3. Review

B. Motivation

The teacher will ask the students to give an example of element and let the students find

its electron distribution in the periodic table.

1. C (Carbon)

C. Presentation of The Lesson

Principal quantum number--1S2

D. Development of the Lesson



3. The teacher will discuss the mnemonic used in filling up orbitals with electrons

4. The teacher will give an example of element with electron distribution

5. The teacher will give another element to be answered by the student.

6. The teacher will discuss the Aufbau Principle with example

7. The teacher will ask the student to give another example and explain it.

8. The teacher will explain the Pauli exclusion Principle with example


10. The teacher will discuss the Hund’s rule of maximum multiplicity with example


12. The teacher will explain the Noble gas electron configuration with example


E. Generalization

a. The teacher will give an element and ask the students to determine with the noble gas

electron configuration

Ar (Argon)

b. The teacher will give an element and ask the students to arrange, state and illustrate of

three principles in electron distribution

N (Nitrogen)

subshell

Number of electrons in the orbital

IV. Evaluation

Show the electron configuration of the following elements.(1 points each)

1. 13-Al

2. 14-Si

3. 20-Ca

4. 23-V

5. 26-Fe

6. 30-Zn

7. 42-Mo

8. 47-Ag

9. 50-Sn

10. 54-Xe

V. Assignment

a. Teacher give five element to show electron configuration by the students

i. 12-Mg

ii. 21-Sc

iii. 24-Cr

iv. 28-Ni

v. 31-Ga

b. Teacher let student to read/browse about new lesson for the next meeting, The

Arrangement of Element on The Periodic Table.

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