[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-314918-105":3,"detail-sidebar-cat-0-en-105":81,"doc-detail-314918-en":131},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","ap-chemistry-review-big-idea-1-properties-of-matter","AP Chemistry Review - Big Idea #1 - Properties of Matter","","AP Chemistry review materials outlining exam format and the Big Idea #1 topic, Properties of Matter. The content covers core concepts including atoms and molecules, elements versus compounds versus mixtures, physical-property-based separation, SI units, dimensional analysis, significant figures, and mole-based quantitative relationships. Practice prompts address mass percent oxygen, empirical and molecular formulas, hydrates, identity or purity inference, photon wave properties, and electron structure using periodic table, photoelectric effect, PES, ionization energy, and Coulomb’s Law. Periodic trends, including anomalies in first ionization energy, chromatography separation, and related spectroscopy principles, are also emphasized.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/ap-chemistry-review-big-idea-1-properties-of-matter/314918/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/ap-chemistry-review-big-idea-1-properties-of-matter/314918.png","ImageObject",300,407,{"name":42,"@type":43},"Graffin","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-11-06","2026-09-20",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",15,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What is the AP Chemistry exam structure and which tools are allowed in each section?","Question",{"text":63,"@type":64},"Section I lasts 90 minutes with 60 multiple-choice questions and no calculator allowed. Section II lasts 90 minutes and allows a graphing calculator, including three long free-response questions and four short free-response questions.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"How does the review connect the mole concept to chemical composition calculations?",{"text":68,"@type":64},"It emphasizes using the mole as a quantitative model to interconvert moles, mass, number of particles, and gas volume. It also highlights using mass data to determine identity or purity and calculating percent composition, empirical formulas, and molecular formulas (including hydrates).",{"name":70,"@type":61,"acceptedAnswer":71},"What periodic trends are discussed for atomic radius and ionization energy, and what causes them?",{"text":72,"@type":64},"Atomic radii decrease left to right due to increased Zeff pulling electrons tighter, and increase top to bottom due to added electron shells. First ionization energy trends are rationalized using Coulomb’s Law and shielding effects, including identifying anomalies in first ionization energy.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},314918,1789959896,{"code":4,"msg":82,"data":83},"success",[84,88,92,95,100,105,110,115,120,123,127],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":93,"slug":94},70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":102,"show_sort_weight":103,"slug":104},6,"Technology",50,"technology",{"id":106,"doc_module":4,"doc_module_name":25,"category_name":107,"show_sort_weight":108,"slug":109},7,"Healthcare",40,"healthcare",{"id":111,"doc_module":4,"doc_module_name":25,"category_name":112,"show_sort_weight":113,"slug":114},8,"Research & Report",30,"research-report",{"id":116,"doc_module":4,"doc_module_name":25,"category_name":117,"show_sort_weight":118,"slug":119},9,"Religion & Spirituality",20,"religion-spirituality",{"id":118,"doc_module":4,"doc_module_name":25,"category_name":121,"show_sort_weight":118,"slug":122},"World Cup","world-cup",{"id":124,"doc_module":4,"doc_module_name":25,"category_name":125,"show_sort_weight":124,"slug":126},10,"Lifestyle","lifestyle",{"id":128,"doc_module":4,"doc_module_name":25,"category_name":129,"show_sort_weight":96,"slug":130},19,"General","general",{"code":4,"msg":82,"data":132},{"doc_id":79,"user_id":133,"nickname":42,"user_avatar":134,"doc_module":4,"category_id":33,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":140,"language":141,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":12,"update_tm":145,"read_time":146,"preview_page_count":4},3573418547284,"https://eur-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d","AP CHEMISTRY  \nREVIEW  \nAP EXAM INFORMATION  \nExam structure: 3 HOURS  \nSection I – 50% of your score-90 minutes  \n60 multiple choice questions (four answer options), no calculator allowed  \nSection II – 50% of your score  \nGraphing calculator allowed – 90 minutes  \nthree long free response (about 20 minutes each)  \nfour short free response (about 7 minutes each)  \n** During each section you will be supplied with a periodic table and a formula and constants chart.  \nAP CHEMISTRY REVIEW: BIG IDEA \\# 1  \nPROPERTIES OF MATTER  \nMolecules and Atoms  \nMust Know:  \nDifferences between elements, compounds and mixtures  \nExplain that separation of mixtures is based on their physical properties  \nUse SI units for measurement  \nApply dimensional analysis and significant figures to calculations  \nUse the mole as a quantitative model for chemical composition  \nInterconvert moles, mass, number of particles and volume of a gas  \nUse calculations of mass data to determine the identity or purity of various substances  \nCalculate the percentage composition of a compound  \nCalculate the empirical and molecular formulas ofa compound and ofa hydrate from  \ncombustion and decomposition data  \nApply mathematical calculations to mass data to infer the identity of a substance and/or its purity  \nCalculate wave properties including frequency, wavelength and energy of a photon  \nWrite ground state electron configurations of atoms using the periodic table as a guide  \nExplain the photoelectric effect and photoelectron spectroscopy (PES)  \nDescribe electron structure using photoelectron spectroscopy, ionization energy data, and  \nCoulomb’s Law  \nAnalyze data that relate ionization energies to electron configurations  \nExplain electron configurations using Coulomb's Law  \nIdentify and distinguish between paramagnetic and diamagnetic electron configurations  \nExplain how properties of elements vary across the periodic table using Coulomb’s law and effective nuclear charge  \nExplain role that electron configurations play in determining periodic properties  \nTrends in atomic radius, ionic radius, and ionization energy and rationalize them by applying the ideas of Coulomb’slaw, effective nuclear charge and the shielding effect.  \nIdentify and explain the anomalies in the trends of first ionization energy  \nExplain how the technique of chromatography uses intermolecular attractions to separate mixtures  \n  1. A 4.5g sample of which of the following would have the greatest mass percent of oxygen?  \na. Na2O (molar mass = 62 g/mol)  \nb. b. Li2O (molar mass = 30 g/mol)  \nc. c. MgO molar mass = 40 g/mol  \nd. d. SrO (molar mass = 104 g/mol  \nEmpirical Formula: Molecular Formula:  \n% to mass, mass to moles, divide by the smallest and multiple to get whole.  \n  2. A compound is determined to be 14 g of nitrogen and 32 g of oxygen. The empirical formula of the compound is  \na. NO bN2O c. NO2 d. NO3  \nWhen heating a hydrate, or ANYTHING multiple times…. heat several times to ENSURE WATER is DRIVEN OFF.  \n  3. The mass percent of oxygen in pure cluose is 53.3 g percent. A chemist analyzes a sample of gluces that contains impurities and determines that the mass percent of oxygen in is 49.7 percent. Which of the following impurities could account for the low mass percent of oxygen in this sample?  \na. C20H42 b. C10H5O5 c. C6H 12O6 d. C12H22O 11  \n1 mol = 6.02 E 23 particles 1 mole = molar mass 1 mol = 22.4 L of gas at STP   4. How many moles of carbon are in 88 grams of propane C3H8  \na. 2 b. 16 c. 6 d. 98  \n  5. A compound contains 1.10 mol ofK, 0.55 mol of Te, and 1.65 mol of O. What is the simplest formula of this  \ncompound?  \n(a) KTeO (b) KTe2O (c) K2TeO3 (d) K2TeO6 (e) K4TeO6  \n  6. The simplest formula for an oxide of element X (MM = 76.0) that is 24.0 percent oxygen by weight is  \n(a) X2O (b) XO (c) XO2 (d) X2O3 (e) X2O5  \n  7. A 27.0-gram sample of an unknown hydrocarbon was burned in excess oxygen to form 88.0 grams of carbon dioxide and 27.0 grams of water. What","cbCairsfdqaIvrZH","https://ap.wps.com/l/cbCairsfdqaIvrZH","pdf",2973010,69,"English","# AP Chemistry Review\n## Exam structure\n## Properties of Matter (Big Idea #1)\n## Atoms, molecules, and composition calculations\n## Electron structure and spectroscopy\n## Periodic trends and ionization energy\n## Practice questions (free response review)","[{\"question\":\"What is the AP Chemistry exam structure and which tools are allowed in each section?\",\"answer\":\"Section I lasts 90 minutes with 60 multiple-choice questions and no calculator allowed. Section II lasts 90 minutes and allows a graphing calculator, including three long free-response questions and four short free-response questions.\"},{\"question\":\"How does the review connect the mole concept to chemical composition calculations?\",\"answer\":\"It emphasizes using the mole as a quantitative model to interconvert moles, mass, number of particles, and gas volume. It also highlights using mass data to determine identity or purity and calculating percent composition, empirical formulas, and molecular formulas (including hydrates).\"},{\"question\":\"What periodic trends are discussed for atomic radius and ionization energy, and what causes them?\",\"answer\":\"Atomic radii decrease left to right due to increased Zeff pulling electrons tighter, and increase top to bottom due to added electron shells. First ionization energy trends are rationalized using Coulomb’s Law and shielding effects, including identifying anomalies in first ionization energy.\"}]","AP Chemistry Review - Big Idea #1 - Properties of Matter | PDF",1789902145,174]