A powerpoint presentation all about the differences between small covalent molecules and giant covalent network structures. Suitable for 'A' - level or high ability GCSE classes. Can be used effectively as a handout. Students particulary enjoy the part about the allotropes of carbon

A very clear powerpoint presentation showing the ‘arrows in boxes’ electronic sub shell filling order from hydrogen to krypton. My students find this very helpful and it is useful when printed as a handout. It also shows clearly the incomplete 4s subshell in chromium and copper.

This is a really fun crossword puzzle and is the perfect quick starter or plenary to any GCSE level atomic structure lesson. The puzzle includes answers and covers the following key words: Ion Isotopes Neutron Negatively Mass number Atomic number Electron Proton Nucleus The file is a PowerPoint, so the puzzle can be easily printed or even projected on your interactive whiteboard for students to fill in. Since it is out of ten marks, you can quickly determine a percentage score for each student too.

A quick test on atomic structure

This worksheet provides ten questions that help the students to practice their skills in balancing redox equations by adjusting coefficients and by adding OH-, H20, and H+ where necessary. This worksheet is suitable for 'AS' - Level and IB Diploma Chemistry students. Syllabus reference: "Write ionic half-equations and use them to construct full ionic equations." (Edexcel 'AS' - Level Chemistry Specification, First Examinations 2014). Full answers are provided in this package. This is a perfect resource to use as a quick starter, plenary or homework. I have included both the pdf and docx files in this package. All images used have no attribution (they have been self-created or obtained from www.pixabay.com) '

This is basically a big collection of worksheets that covers the entire content from a typical IGCSE Edexcel Chemistry first year class (i.e. Year 10 in the British system). This workbook has massive crossover with other IGCSE Chemistry and GCSE chemistry syllabuses. Guaranteed to: Save you planning time Provide meaningful material for homework or classwork Can be set in sequence as separate assignments or could even be printed out in entirety and given to students at the start of the academic year. Topics covered: Particle Theory Density, pressure and diffusion Changes of state (solids, liquids and gases) Cooling curves Mixtures Separating mixtures (chromatography, distillation, filtration and crystallization) Atomic structure (including isotopes, RAM, electronic configurations. relative isotopic mass, relative molecular mass, relative formula mass and molar mass) Writing and balancing equations Molar calculations (including The Mole, Empirical Formula, Molecular Formula, Reacting Mass Calculations, Percentage Yield Ionic bonding Covalent bonding (including ‘dot and cross’ diagrams and ‘giant’ structures) Metallic bonding Electrolysis (solutions and molten compounds) The periodic table (groups and periods) Group 1 Group 7 Oxygen chemistry Carbon dioxide chemistry Hydrogen chemistry Reactivity series (including ‘galvanising’ and ‘sacrificial protection’ Extraction of metals Crude oil The only disadvantages of this resource are: It’s a big word document so might need a little tidying-up prior to printing There’s no answers with it yet (but I’m working on that)

This is a fun (and moderately challenging) crossword puzzle that would serve as an excellent starter, plenary or in-lesson activity for any radioactivity and isotopes class. This crossword tests students’ knowledge of: Isotopic/atomic structure The difference between alpha, beta and gamma radiation Knowledge of the isotopes of hydrogen (i.e. deuterium and tritium) Radioactive decay and half-life The use of Uranium-235 as an electricity generating fuel This is a lot of fun and my students loved it. If your kids have never learnt anything about the radioactivity and isotopes before, then you could provide the students with a summary to help them as they do the puzzle. In this pack you get a PPTX (which you can edit), a pdf version and a png of the puzzle itself (in case you want to project it on your interactive whiteboard for students to fill in).

This PowerPoint presentation goes through the basics of covalent bonding and is suitable for GCSE and IGCSE Level students. Covalent bonding is described as the sharing of electrons between non-metal atoms, and care is taken to deliver the material in a paced, step-by-step fashion. This PPT assumes some knowledge of ionic bonding, so if you haven’t covered that topic yet, then you might want to delete those slides after download. Dot-and-cross diagrams are included: both with inner shells and simplified (only outer shells) formats - perfect for training students to be efficient in the exam. Activities included (feel free to edit or modify after download): Comparing bonding diagrams as a starter (spotting similarities and differences) Main teaching content (beginning from first principles with simple atomic structure, leading into covalent bond formation) Think map to compare ionic and covalent bonding (feel free to remove if needed) Drawing dot-and-cross and stick diagrams as a plenary ***Learning outcomes are included, so this is a great ‘box ticker’ for an observation lesson. *** Some syllabus references that this PPT satisfies (to name but a few): AQA GCSE Chemistry: **4.2.1.1 Chemical Trends:**Covalent bonding occurs in most non-metallic elements and in compounds of non-metals. 4.2.1.4 Covalent Bonding: When atoms share pairs of electrons, they form covalent bonds. These bonds between atoms are strong 4.2.1.4 Covalent Bonding: The covalent bonds in molecules and giant structures can be represented in the following forms (dot and cross and ball and stick examples given in the specification) **Edexcel IGCSE Chemistry: ** 1.44: Know that a covalent bond is formed between atoms by the sharing of a pair of electrons 1.45: Understand covalent bonds in terms of electrostatic attractions 1.46: Understand how to use dot-and-cross diagrams to represent covalent bonds

This ten word crossword puzzle is designed to review the key vocabulary found in the ionic bonding topic, and is suitable for GCSE and IGCSE Level students. Clues and answers are as follows: anion: A negative ion cation: A positive ion lost: Positive ions are formed when electrons are ____ gained: Negative ions are formed when electrons are ______ oppositely: An ionic bond is defined as the electrostatic force of attraction that exists between two ________ charged ions metals: These usually form positive ions nonmetals: These usually form negative ions chloride: This is the name of the negative ion found in table salt lattice: Many ions join together to form a large _______ structure soluble: Ionic compounds are usually _______ in water

This PowerPoint presentation goes through the basics of ion formation and is suitable for GCSE and IGCSE Level students. Metals are clearly shown to lose electrons, whereas non-metals are clearly shown to gain electrons. Key words such as ‘anion’ and ‘cation’ are included, and electron shell/‘dot and cross’ diagrams with sqaure brackets are given (i.e. in the same format as required by the exam). Activities included (feel free to edit or modify after download): Whiteboard.fi starter Main teaching content (beginning from first principles with simple atomic structure, leading into ion formation) Google Doc suggested plenary (feel free to copy the slide into a Google Doc. or print for students to fill in) Some syllabus references that this PPT satisfies (to name but a few): AQA GCSE Chemistry: 4.2.1.1 Chemical Trends:* Ionic bonding occurs in compounds formed from metals combined with non-metals.* 4.2.1.2 Ionic Bonding: Students should be able to draw dot and cross diagrams for ionic compounds formed by metals in Groups 1 and 2 with non-metals in Groups 6 and 7. **Edexcel IGCSE Chemistry: ** 1.37: Understand how ions are formed by electron loss or gain 1.40: Draw dot-and-cross diagrams to show the formation of ionic compounds by electron transfer, limited to combinations of elements from Groups 1, 2, 3 and 5, 6, 7

This ten word crossword puzzle is designed to review the key vocabulary found in the covalent bonding topics, and is suitable for GCSE and IGCSE Level students. Clues and answers are as follows: In a covalent bond, a pair of electrons is ____________ between two atoms. [shared] A covalently bonded compound that is needed for photosynthesis to take place [Carbon dioxide] We do not need to draw the inner _________ in a dot-and-cross diagram [shells] This is a type of diagram we can draw to represent covalent bonding. [dot-and-cross] Covalent bonding only happens between _____- ________ atoms [non-metal] Covalent bonds are ________ [strong] A covalently bonded compound that is responsible for all life on Earth [Water] A covalently bonded compound that has the formula HCl [hydrogen chloride] These are shared between atoms during covalent bonding [electrons] After covalent bonding, each atom has a ______ outer shell. [full] Syllabus references that this resource satisfies (to name but a few): AQA GCSE Chemistry: **4.2.1.1 Chemical Trends:Covalent bonding occurs in most non-metallic elements and in compounds of non-metals. 4.2.1.4 Covalent Bonding: When atoms share pairs of electrons, they form covalent bonds. These bonds between atoms are strong 4.2.1.4 Covalent Bonding: The covalent bonds in molecules and giant structures can be represented in the following forms (dot and cross and ball and stick examples given in the specification) **Edexcel IGCSE Chemistry: ** 1.44: Know that a covalent bond is formed between atoms by the sharing of a pair of electrons 1.45: Understand covalent bonds in terms of electrostatic attractions 1.46: Understand how to use dot-and-cross diagrams to represent covalent bonds

This PowerPoint Presentation covers most of the requirements for the Acids, Alkalis and Titrations unit for Edexcel IGCSE Chemistry in a clear and coherent manner. These slides may also be useful for other exam boards, such as AQA, WJEC, CIE, etc., if modified after download. Specification statements covered include: describe the use of the indicators litmus, phenolphthalein and methyl orange to distinguish between acidic and alkaline solutions understand how the pH scale, from 0–14, can be used to classify solutions as strongly acidic, weakly acidic, neutral, weakly alkaline or strongly alkaline describe the use of universal indicator to measure the approximate pH value of a solution define acids as sources of hydrogen ions, H+, and alkalis as sources of hydroxide ions, OH¯ predict the products of reactions between dilute hydrochloric, nitric and sulfuric acids; and metals, metal oxides and metal carbonates (excluding the reactions between nitric acid and metals) understand the general rules for predicting the solubility of salts in water: i all common sodium, potassium and ammonium salts are soluble ii all nitrates are soluble iii common chlorides are soluble, except silver chloride iv common sulfates are soluble, except those of barium and calcium v common carbonates are insoluble, except those of sodium, potassium and ammonium describe experiments to prepare soluble salts from acids describe experiments to prepare insoluble salts using precipitation reactions describe experiments to carry out acid-alkali titrations.

This PowerPoint Presentation covers most of the requirements for the Crude Oil and Alkanes units for Edexcel IGCSE Chemistry in a clear and coherent manner. These slides may also be useful for other exam boards, such as AQA, WJEC, CIE, etc., if modified after download. Specification statements covered include: know that crude oil is a mixture of hydrocarbons describe how the industrial process of fractional distillation separates crude oil into fractions know the names and uses of the main fractions obtained from crude oil: refinery gases, gasoline, kerosene, diesel, fuel oil and bitumen know the trend in colour, boiling point and viscosity of the main fractions know that a fuel is a substance that, when burned, releases heat energy know the possible products of complete and incomplete combustion of hydrocarbons with oxygen in the air know the general formula for alkanes explain why alkanes are classified as saturated hydrocarbons understand how to draw the structural and displayed formulae for alkanes with up to five carbon atoms in the molecule, and to name the unbranched-chain isomers describe the reactions of alkanes with halogens in the presence of ultraviolet radiation, limited to mono-substitution

This beautiful crossword puzzle is suitable for both CIE and Edexcel IGCSE Chemistry students. An answer sheet is provided too. Key words covered by this crossword include: Acidic oxide Decomposition Precipitation’ Neutralisation Amphoteric oxide Basic oxide Neutral oxide Acid Base Flame test Dissociate Indicator I am an IGCSE Chemistry teacher with almost two decades of experience and I have created this resource from scratch.

This professional PowerPoint bundle covers everything the students need to know for the 2016 Course Guide for IBDP Chemistry Option C: Energy This bundle includes eight PPTs (which match the Course Guide): C1: Energy Sources C2: Fossil Fuels C3: Nuclear Fusion and Fission C4: Solar Energy C5: Environmental Impact - Global Warming C6: HL Electrochemistry, Rechargeable Batteries and Fuel Cells C7: HL Nuclear Fusion and Fission C8: HL Photovoltaic Cella and Dye-Sensitized Solar Cells (DSSC) Each PPT professionally covers all required areas of the Course Guide for this topic, including: Essential Ideas Nature of Science International Mindedness Theory of Knowledge Key Understandings Application/Skills Guidance These PPTs have been painstakingly developed over many years and are guaranteed to satisfy immediately. Not only will you save valuable time by purchasing these PPTs, but your students will also receive the very best instructional PPTs out there Tes paid licence

This is a fun (and moderately challenging) crossword puzzle that would serve as an excellent starter, plenary or in-lesson activity for any class about DNA structure. This crossword tests students’ knowledge of: The location of DNA in the cell The nucleotide as the basic building block of DNA Complimentary base pairing This is a lot of fun and your kids will love it. If your students have never learnt anything about DNA before, then you could provide the students with a summary to help them as they do the puzzle. In this pack you get a PPTX (which you can edit), a pdf version and a png of the puzzle itself (in case you want to project it on your interactive whiteboard for students to fill in).

This is a fun (and challenging) crossword puzzle that would serve as an excellent starter, plenary or in-lesson activity for any products from crude oil class. This crossword tests students’ knowledge of: Fractional Distillation What oil is and how it is formed The different fractions obtained from crude oil Alkanes and cracking This is a lot of fun and my students loved it. If your kids have never learnt anything about the products of crude oil before then you could provide the students with a summary to help them as they do the puzzle. In this pack you get a PPTX (which you can edit), a pdf version and a png of the puzzle itself (in case you want to project it on your interactive whiteboard for students to fill in).

This is a fun (and moderately challenging) crossword puzzle that would serve as an excellent starter, plenary or in-lesson activity for any class about elements, compounds and isotopes. This crossword tests students’ knowledge of: 1. The differences between elements and compounds in terms of physical structure, ease of separation and reactivity 2. Groups and periods in the periodic table, and how they relate to valence electron and shell number 3. The atomic definition of isotopes This is a lot of fun and your kids will love it. If your students have never learnt anything about elements, compounds and isotopes before, then you could provide the students with a summary to help them as they do the puzzle. In this pack you get a PPTX (which you can edit), a pdf version and a png of the puzzle itself (in case you want to project it on your interactive whiteboard for students to fill in).

A fun, clear, comprehensive and varied worksheet that works well as starter, plenary or as a chunk of the main body of lesson. Suitable for GCSE or IGCSE Chemistry, Science (Double Award) or Science (Single Award), this resource covers: 1.The meaning of 'group number' and how this relates to reactivity trends 2. How 'group number' relates to outer shell electrons 3. Names of groups in the periodic table 4. Similarities in reactivity between elements 5. Differences between elements and compounds Comes complete with answers. Great for peer or self-assessment. Included in this pack are both the word doc (which you can edit) and pdf versions.

This is a fun (and moderately challenging) crossword puzzle that would serve as an excellent starter, plenary or in-lesson activity for any class about the periodic table. Suitable for GCSE, IGCSE and pre-IB/AS - Level stduents, this crossword tests students’ knowledge of: 1. The meaning of 'group number' and how this relates to reactivity trends 2. How 'group number' relates to outer shell electrons 3. Names of groups in the periodic table 4. Names of elements found in particular groups 5. Real-life scenarios of elements (e.g. iron in red blood cells, silicon in computer chips) 6. Metals and non-metals 7. Alkali metals, noble gases, halogens and transition metals 8. Metalloids This is a lot of fun and your kids will love it. If your students have never learnt anything about the periodic table before, then you could provide the students with a summary to help them as they do the puzzle. In this pack you get a PPTX (which you can edit), a pdf version and a png of the puzzle itself (in case you want to project it on your interactive whiteboard for students to fill in).