Lessons
YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY- WEEK 1 INTRODUCTION TO CHEMISTRY Lesson 1
CHEMISTRY INTRODUCTION TO CHEMISTRY CHEMISTRY AS A SCIENCE SUBJECT Science is an organized body of knowledge gathered through systematic experimentations and philosophical observations. Chemistry can be defined as a branch of science which deals with the study of the nature, structure, composition, properties and uses of all forms of matter and the changes in structure …. Read More
YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY- SCHEME OF WORK
CHEMISTRY SCHEME OF WORK WEEK TOPIC INTRODUCTION TO CHEMISTRY LABORATORY FAMILIARIZATION NATURE OF MATTER ELEMENTS & SYMBOLS, VALENCY COMPOUNDS AND MIXTURES …. Read More
YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY- WEEK 1 INTRODUCTION TO CHEMISTRY Lesson 2
CHEMISTRY INTRODUCTION TO CHEMISTRY APPLICATIONS OF CHEMISTRY Chemistry is applied in our everyday life as different activities take place in the environment. The effect of chemistry is felt in different aspects of life such as cooking, washing with soaps or detergent, digestion of food, drugs etc. Other applications of chemistry include health care, transportation, food, …. Read More
YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY -INTRODUCTION TO CHEMISTRY LESSON 3
CHEMISTRY NATURE OF MATTER Matter is anything that has weight and occupies space. It exists in three states namely: solid, liquid and gas. The fundamental difference between the three states of matter depends on the degree of movement of the particles they are made of. SOLID STATE The particles of a solid are tightly packed …. Read More
YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY -NATURE OF MATTER- LESSON 4
CHEMISTRY NATURE OF MATTER TYPES OF CHANGES Whenever a given substance is heated, its state changes. There are two types of changes: physical and chemical. PHYSICAL CHANGE: A physical change is a change which is easily reversible and in which no new substances are formed. Examples are: Dissolution of common salt Changes in states …. Read More
YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY -ELEMENTS- LESSON 5
CHEMISTRY ELEMENTS, SYMBOLS & VALENCY ELEMENTS AND SYMBOLS An element is a substance which cannot be split into simpler units by ordinary chemical process. There are over one hundred known elements. SYMBOLS OF ELEMENTS There are three ways in which symbols of elements are derived. From the first letter of the name of the …. Read More
YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY -ELEMENTS- LESSON5b
YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY -ELEMENTS- LESSON6
CHEMISTRY ELEMENTS (CONTD.) VALENCY Valency is the combining power of an element. It can also be defined as the number of hydrogen atoms that can combine with or replace one atom of that element. Valency of an element depends on the structure of that element. At times it corresponds to the number of electrons in …. Read More
YHWH HAMASCHIAC SCHOOL, YHWH YESHUA HAMASCHIAC’S DAY #Christmas /First Term 2021- 2022 SESSION- SS1 CHEMISTRY EXAM
CHEMISTRY EXAM OBJECTIVE: ANSWER ALL QUESTIONS Which of the following changes is a chemical change? (a) melting of ice (b) liquefaction of air (c) slaking of lime (d) evaporation of a liquid Which of the following substances will occupy a wider space? (a)carbon (iv) oxide (b) liquid milk (c) pieces of chalk (d) water When …. Read More
YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, SCHEME OF WORK. 2021/2022 Academic Year.
CHEMISTRY SCHEME OF WORK WEEK TOPIC Revision/Introduction to the mole concept: Molar volume of gases, Avogadro’s number, Percentage of element in a compound. Writing and Balancing Chemical Equations. 2-3. Stoichiometry of Reactions: Calculation of Masses of Reactants and Products, Calculation of Volume of Reacting Gases. Empirical and Molecular formulae. 4-5. Chemical Laws and their Verification: …. Read More
YHWH HAMASCHIAC School, 2nd/ Resurrection Day Term, SSS1 Chemistry, Lesson 1, Mole Concept. 2021/2022 Academic Year.
CHEMISTRY INTRODUCTION TO MOLE CONCEPT THE MOLE A mole is a number of particles of a substance which may be atoms, ions, molecules or electrons. This number of particles is approximately 6.02 x 1023 in magnitude and is known as Avogadro’s number of particles. The mole is defined as the amount of a substance …. Read More
YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, Lesson 1B, Mole Concept. 2021/2022 Academic Year.
CHEMISTRY INTRODUCTION TO MOLE CONCEPT
YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, Lesson 2B, Mole Concept. 2021/2022 Academic Year.
CHEMISTRY MOLE CONCEPT
YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, Lesson 2, Mole Concept. 2021/2022 Academic Year.
CHEMISTRY MOLE CONCEPT RELATIVE MOLECULAR MASS The relative molecular mass of an element or compound is the number of times the average mass of one molecule of it is heavier than one-twelfth the mass of one atom of Carbon-12 It is the sum of the relative atomic masses of all atoms in one molecule …. Read More
YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, Lesson 3, Percentage composition of an element in a compound. 2021/2022 Academic Year.
CHEMISTRY PERCENTAGE COMPOSITION OF AN ELEMENT IN A COMPOUND PERCENTAGE OF AN ELEMENT IN A COMPOUND The percentage composition of an atom in a compound is the amount of the atom expressed in percentage. Percentage of an element in a compound = Mass of element in the compound x 100 Molar mass of compound 1 …. Read More
YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, Lesson 2C, Mole Concept. 2021/2022 Academic Year.
CHEMISTRY MOLE CONCEPT The mole is defined as the amount of a substance which contains as many elementary units as there are atoms in 12g of Carbon-12. 1 mole of an element contains 6.02 x 1023atoms; The molar mass of a substance is the RAM or RMM of that substance in grams
YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, Lesson 2D, Mole Concept. 2021/2022 Academic Year.
CHEMISTRY MOLE CONCEPT
YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, Lesson 3, Writing and Balancing Chemical equations 2021/2022 Academic Year.
CHEMISTRY WRITNG AND BALANCING CHEMICAL EQUATIONS Chemical equations are representation of chemical reactions in terms of the symbols and formulae of the elements and compounds involved. In a chemical equation, the reactants are always written on the left hand side while the products are written on the right hand side. For instance, if A and …. Read More
YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, Lesson 3B, Writing and Balancing Chemical equations 2021/2022 Academic Year.
CHEMISTRY BALANCING CHEMICAL EQUATIONS
YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, ASSIGNMENT 2021/2022 Academic Year.
CHEMISTRY Balance the following equations: (a) KClO3(s) → KCl(s) + O2(g) (b) ZnCO3(s) + HCl(aq) → ZnCl(aq) + H2O + CO2(g) 2. Balance the following equation: H2SO4 + Na2CO3 → Na2SO4 + H2O + CO2 Ca(OH)2 + CO2 → CaCO3 + H2O 3. State two information provided by the equation of a chemical reaction.