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< Back Unit 1 AP Chemistry Topic 1 The Mole Concept This is Unit 1 AP Chemistry The Mole Concept You can get more out of your site elements by making them dynamic. To connect this element to content from your collection, select the element and click Connect to Data. Once connected, you can save time by updating your content straight from your collection—no need to open the Editor, or mess with your design. Add any type of content to your collection, such as rich text, images, videos and more, or upload a CSV file. You can also collect and store information from your site visitors using input elements like custom forms and fields. Collaborate on your content across teams by assigning permissions setting custom permissions for every collection. Be sure to click Sync after making changes in a collection, so visitors can see your newest content on your live site. Preview your site to check that all your elements are displaying content from the right collection fields. Ready to publish? Simply click Publish in the top right of the Editor and your changes will appear live. Unit 1 Topic 1 Moles and Molar Mass The Mole Concept Previous Next

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Lesson 39 Introduction to the Periodic Table & Families of Elements Chapter 7 SABIS Grade 10 Part 2 Lesson 39 Introduction to the Periodic Table & Families of Elements Chapter 7 Structure of the atom and the periodic table Lesson 1 Content 7.1 Structure of the Atom 7.2 FILM: Chemical Families 7.2.1 Classification of the elements 7.2.2 Investigating the gaseous elements 7.2.3 Investigating H2, F2, Cl2, Br2, I2 7.2.4 Investigating Li, Na, K, Rb, Cs 7.2.5 In conclusion 7.3 The Periodic Table 7.4 The Simplest Chemical Family - The Noble Gases 7.4.1 Physical properties Boiling Points Melting Points 7.4.2 Number of electrons and stability of noble gases Neon, argon, krypton, xenon, radon Sodium chloride forms stable ions 7.5 The alkali metals 7.5.1 Group 1 elements 7.5.2 Theoretical explanation of electrical conductivity 7.5.3 Properties of the alkali metals 7.5.4 Chemistry of the alkali metals 📚Pre-Requisite Questions: Can you list some of the families in the periodic table? 📚 What's special about the Noble Gases? 💎 What makes Alkali Metals different from the Halogens? 🤷♀️ Break for Reflection 🤔✍️ (Answers: 1. Some families in the periodic table are the Alkali Metals, Alkaline Earth Metals, Transition Metals, Halogens, and Noble Gases. 2. Noble Gases are special because they have a full valence electron shell and are mostly non-reactive. 3. Alkali Metals are very reactive and have one electron in their outer shell, while Halogens are also reactive and have seven electrons in their outer shell.) 🚀 Lesson Begins! 💫 Chemical Families Just as human families have common traits, elements in the same chemical family share common properties. This is because they have the same number of valence electrons. It's like family members having the same eye color! 👀 ⚗️ The Noble Gases Noble gases are like the aristocrats of the periodic table - they're a bit aloof and tend not to react with other elements because their electron shells are full. They're the cool kids, hard to impress! 🕶️ 🔥 The Alkali Metals The Alkali Metals, on the other hand, are the life of the party! 🎉 They have one electron in their outer shell and are ready to react at the drop of a hat. They're like your friend who's always up for a new adventure. 🎢 🌩️ The Halogens Then come the Halogens, who are just one electron short of having a full outer shell. They're eager to form a bond with any element that can provide that one extra electron. They're like someone looking for their perfect match! 🤝 💡In conclusion: Chemistry is not just about memorizing the periodic table or complex equations. It's about understanding the relationships and interactions between different elements. It's about seeing the beauty in the organization and the patterns that emerge. It's about appreciating the elegant dance of atoms and molecules. 🌐 Review Questions: Which family of elements is generally non-reactive because their electron shells are full? a. Alkali Metals b. Halogens c. Noble Gases d. Transition Metals Why are Alkali Metals so reactive? a. They have a full outer shell b. They are one electron short of a full outer shell c. They have one electron in their outer shell ready to be given away d. They are shiny and malleable Which family of elements is eager to form bonds to gain one extra electron? a. Alkali Metals b. Halogens c. Noble Gases d. Transition Metals (Answers: 1. c, 2. c, 3. b) End of Lesson 2 ⭐Keep studying, keep learning!⭐

Explain the Changes of state in terms of the Kinetic Theory Trending Now The 60-Day IGCSE Organic Chemistry Challenge DAY 1 Free Preview The 60-Day IGCSE Organic Chemistry Challenge DAY 2 Free Preview IGCSE CHEMISTRY CAMBRIDGE 1.Particulate Nature of Matter 1.3 Heating Curve Back to Chapter 1 Menu Notes : Heating and Cooling curves are Graphs that show how matter acts when changing the temperature and at which state substance is available versus time Changes of states can be explained by using the idea that particles are constantly in motion . This is called the kinetic particle theory we can explain a heating curve using ideas about the energy and motion of the particles. Heating Curve At point A Physical status is Solid From A to B increasing heat energy increases vibration of the solid particles so the temperature of the solid increases From B to C increasing the heat weakens the forces of attraction between particles so they begin to slide over each other . there is no temperature change because all energy supplied is used to overcome the forces between the particles instead of raising the temperature . the substance melts At C , the substance is all at liquid state. From C to D : increasing the energy increases the motion of the particles in the liquid so the temperature of the liquid increases. From D to E : forces of attraction between liquid particles weakens to particles start to move away from each other . there is no temperature change as the energy supplied is used to break the forces between the particles , the substance boils . From E to F : increasing the energy increases the speed of the gas particles . so the temperature increases and the gas particles are getting far away from each other. Cooling Curve Almost opposite is happening List of Topics Download as PDF Trending Now The 60-Day IGCSE Organic Chemistry Challenge DAY 1 Free Preview The 60-Day IGCSE Organic Chemistry Challenge DAY 2 Free Preview K-Chemistry About US READ MORE

Particulate Nature of Matter for IGCSE CIE Questions Part 3 Enjoy the questions below , click start to begin answering Questions show only in Desktop view not on mobile view See Also Questions Part 1 Questions Part 2 Questions Part 4

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Distinguishing properties solids liquids and gases,Describe structure solids liquids and gases particle separation arrangement motion type 1.Particulate Nature of Matter IGCSE CHEMISTRY CAMBRIDGE 1.1 States Of Matter Notes : State the distinguishing properties of solids liquids and gases Matter in all states is made up of particles Particles forming matter can be represented by small solid spheres. Back to Chapter 1 Menu Solid particles : have a regular arrangement and are close together They have a fixed pattern ; they only vibrate in their position. Liquid particles : have a random arrangement they are close together They have no fixed pattern ; they slide past each other Gas particles : have a random arrangement , they are far apart from each other and they have no fixed pattern or shape , they move rapidly and randomly. A Solid has a definite shape and volume but can not flow A Liquid has a definite volume but has no fixed shape as it takes the shape of the container and it can flow A Gas has no definite shape or volume , it can spread everywhere through the container List of Topics Download as PDF

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