Chemistry Learning Competencies


First  Grading  Period

1. Appreciate the importance of chemistry
in daily life.
1.1. Relate the importance of chemistry to
daily life .
1.2. Describe the role of chemistry in
society and industry.
1.3. Cite contribution of chemistry to other
sciences like medicine, nursing,
nutrition, psychology, etc.
1.4. Explain the different tasks of a chemist
   2. Appreciate the achievements of Filipino
scientist which find applications in chemistry.
2.1. Discuss researches conducted by Filipino
scientist which find applications in chemistry.
2.2. Cite contribution of Filipino and foreign
scientist in the field of chemical industry.
2.3. Express one’s feelings for the significance of
the contribution of scientists in chemistry
and related field .
2.4. Identify the values and traits demonstrated
by the above scientists .
3. Appreciate and understand the uses of different
apparatus used in a chemistry laboratory .
3.1 Give the uses of some important apparatus
used in chemistry laboratory.

3.2 Explain the safety precautions used in
chemistry laboratory.
3.3 Observe wise use of apparatus in the
4. Demonstrate understanding of mathematical
concepts in chemistry .
4.1 Recognize some importance in significant
figures in scientific calculations .
4.2 Identify different mathematical concepts
involved in solving problems using scientific
notation .
4.3 Solve problems involving conversion of length,
volume, temperature , pressure , etc.
4.4 Explain the basic concept of mole.

1. Demonstrate skill in identifying chemical systems
and classification of matter.
1.1.Differentiate between homogeneous and
heterogeneous chemical system.
1.2.Discuss pure substances and mixtures .
1.3.Describe 3 types of mixtures .
1.4.Differentiate between elements and
compounds in an operational manner .
1.5.Classify elements as metals or nonmetals
based on their properties .
1.6.Detect compounds whether acids, bases,
salts using indicators.
1.7.Group compounds into organic and inorganic
substances using formulas .

2. Demonstrate understanding of elements and
compounds present in daily life.
2.1.Discuss elements and compounds which are
basic to our daily existence like building
components of teeth and bones ; food
preparation and medicines.
2.2.Identify elements and compounds used in
industries which are vital to the national
economy .
3. Demonstrate knowledge of simple technique in
preparing, separating and purifying matter.
3.1.Discuss different methods in separating
3.2.Prepare useful mixtures from easy available
resources in the community.
3.4.Recover useful chemicals / materials as a
result of the separation of mixtures.

1. Appreciate the contributions of early scientists in
the development of atom theory.
1.1.Recognize the significance of the contribution
of early scientists in the development      
particularly the Laws of Conservation of
Mass , Definite Composition, and Multiple
1.2 Explain how radioactive elements are utilized
In the diagnosis/treatment of diseases , the
Risks involved and the method of protection.


2. Demonstrate understanding of the structure of the atom
2.1 Explain Dalton’s Atomic Theory
     2.2 Explain the law of chemical changes in terms of
 Dalton’s Atomic Theory
2.3 Discuss what cathode rays and reactivity reveal
 about atom
2.4 Explain Rutherford’s experiment to confirm the
existence of the nucleus
2.5 Describe the sub-atomic particles
2.6 Determine the number of protons , number of
neutrons , and number of electrons in an atom
2.7 Relate the atomic mass to the relative abundance of
2.8 Explain how the emission spectra of elements provide
evidence for the existence of energy levels, and
that electrons have definite energy levels
2.9 Describe the reactivity of the atom in terms of its
valence electrons

1. Demonstrate understanding of the properties of elements based on the periodic table.
1.1 Name the elements given the chemical symbol
1.2 State the basis of arrangement of elements in the
periodic table
1.3 Use the periodic table to predict the chemical
      behavior of an element
1.4 Relate the number of valence electrons of elements
in their group number in the periodic table

1.5 Infer trend in the atomic sizes , ionization energy ,
electron affinity , metallic and nonmetallic
properties and electronegativity across the
periodic table and down the family
2. Appreciate the importance of knowing the properties of
elements and how they are used in technology .
2.1 Enumerate and describe the properties of elements
and their uses
2.2 Explain the importance of knowing the properties
of elements and how they are applied particularly
in modern technologies and those concerning the
2.3 Discuss the importance of alkali metals , alkaline
                  earth metals  and transition metals in human body

1. Understand how atoms combine .
1.1 Illustrate the formation of ionic, covalent and
   metallic bonds
1.2 Relate the type of bond formed between 2 or 3
elements to their location in the periodic table
1.3 Deduce which atoms tend to form covalent bonds or
ionic bonds given the electronegativity values of
the elements
1.4 Write formulas of covalent and ionic compounds
1.5 Distinguish between molecular and empirical formulas
1.6 Compare and contrast polar and nonpolar covalent
1.7 Enumerate and explain the forces of attraction that
 exist between molecules


2. Demonstrate understanding of chemical bonds . How they
relate to the properties and uses of compounds.

2.1 Discuss the biological importance of certain ions to
 human body and the environment
2.2 Relate the properties of metals to the type of bond


1. Appreciate the practical application of phase/chemical
changes .
1.1 Explain the application of phase/chemical changes
used at home , in the community and in industry
1.2 Recognize the importance of these application in
technologies that help improve the quality of life
1.3 Evaluate the evidences of chemical changes

2. Demonstrate understanding of the laws governing chemical
Changes .
2.1 Convert number of moles to mass or vice versa and
to number of particles (atoms, ions, molecules)
or vice versa
2.2 Derive the chemical formula of a compound given the
 masses of the elements present
2.3 Explain the Law of Conservation of Mass
2.4 Determine the percentage composition of a compound

3. Demonstrate the ability to use symbols , formulas and
chemical reaction in explaining chemical equations .
3.1 Discuss the four general types of chemical reactions
3.2 Explain the implied information derived from a
Balanced equation
3.3 Classify reactions given the balanced chemical
3.4 Identify chemical equations involved in chemical
processes as in soap making and car batteries .


1. Demonstrate understanding of how chemical reactions occur
1.1. Differentiate exothermic from endothermic
                  reactions .
1.2. Enumerate and explain the factors affecting rates
of chemical reactions .
1.3. Describe chemical reactions taking place in the
decay of foods , growth of plants , digestion of
food , etc.

2. Appreciate the importance of controlling rates of reaction
in technology .
2.1. Explain the application of heats of reaction to
commercial and industrial processes .
2.2. Explain how factors affecting rates of chemical
reactions are applied in food preservation , control
of fire , pollution , corrosion , and materials
production .
2.3. Recognize the importance of controlling rates of
Reaction in technology

VIII.                      G A S E S

1. Demonstrate understanding on the behavior of gases .
1.1. Explain the properties and behavior of gases based
on Kinetic Molecular Theory .
1.2. State the relationship among molecular interactions
and phases of matter .
1.3. Compare the diffusion of gases at standard
temperature and pressure .
1.4. Infer the relationship between the rate of diffusion
and the molecular mass of the substance .
1.5. Derive from a given data the relationship between
volume and pressure of a confined gas at constant
temperature .
1.6. Derive from a given data the relationship between
volume and temperature of a confined gas at
constant pressure .
1.7. The relate the concept of mole to the volume of
gases .
1.8. Define the variables that describe the state of a
gas (V , P , n ) .
2. Demonstrate problem skills using mathematical calculations.
2.1. Solve problems involving Boyle’s , Charles’ , Dalton’s
Partial , Avogadro’s , etc.

           F O U R T H       G R A D I N G

1. Demonstrate understanding of solutions
1.1. Identify types of solutions
1.2. Describe the changes that occur in the
dissolving process of a substance
1.3. Relate the changes that accompany this
process to energy changes and molecular  interactions
1.4. Enumerate and explain the difference
 among Saturated,  unsaturated,
1.5. Explain the factors affecting solubility
1.6. Explain the colligative properties of
1.7. Identify the relationship of the mole
 concept to the concentration of solution
1.8. Solve problems on the concentration
 of solutions
(%by mass , % by volume, molarity ,
 molality, Mole fraction )
2. Understand solutions at work in natural
2.1. Apply knowledge of the importance of
 colligative properties of solutions to
 daily living
2.2. Relate solutions to water pollution caused by
toxic substances in water (heavy metals; pesticides ; detergents )

2.3. Explain the importance of electrolyte
 Balance in the body

X .                COLLOIDS
1. Demonstrate understanding of the properties ,
Preparations and uses of colloids
1.1. Classify colloids
1.2. Relate the properties of colloids to
their behavior
1.3. Discuss the methods and principles
 applied in purifying colloids as in dialysis
1.4. Prepare useful colloids
2. Appreciate the importance of colloids in daily
2.1. Explain how the properties of colloids
are utilized in technology
2.2. Evaluate the importance of colloids in
daily  life
2.3 Describe the biological and environmental
  Impact of colloids like aerosol spray;
hair gel; smoke  ; etc.
2.4. Relate the property of mixtures to air



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