[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-207391-105":59,"doc-detail-207391-en":125},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":118,"head_meta":120,"extra_data":122,"updated_unix":124},105,"en","gcse-chemistry-foundation-tier-paper-1","GCSE CHEMISTRY Foundation Tier Paper 1","","GCSE Chemistry Foundation Tier Paper 1 assesses core knowledge of atoms, particles and ions, and basic acid–alkali chemistry. Questions require identifying charged particles, comparing relative masses, calculating numbers of atoms from a formula, naming an element from particle counts, and drawing particle positions in an atom. The paper also covers pH classification, titration method and equipment choices, analysing titration results for an anomalous trial, and calculating mass from concentration. Carbon concepts include classification and isotopes.",{"@graph":69,"@context":117},[70,84,100],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/gcse-chemistry-foundation-tier-paper-1/207391/",{"url":83,"name":65,"@type":85,"author":86,"headline":65,"publisher":89,"fileFormat":92,"inLanguage":63,"description":67,"dateModified":93,"datePublished":94,"encodingFormat":92,"isAccessibleForFree":95,"interactionStatistic":96},"DigitalDocument",{"name":87,"@type":88},"Ava Thompson","Person",{"url":74,"name":90,"@type":91},"DocShare","Organization","application/pdf","2026-09-06","2026-09-05",true,{"@type":97,"interactionType":98,"userInteractionCount":8},"InteractionCounter",{"@type":99},"ViewAction",{"@type":101,"mainEntity":102},"FAQPage",[103,109,113],{"name":104,"@type":105,"acceptedAnswer":106},"Which particle in an atom has no electrical charge?","Question",{"text":107,"@type":108},"The neutron has no electrical charge.","Answer",{"name":110,"@type":105,"acceptedAnswer":111},"What type of aqueous solution has a pH of 11?",{"text":112,"@type":108},"A pH of 11 indicates an alkaline solution.",{"name":114,"@type":105,"acceptedAnswer":115},"In the titration method, which piece of equipment should measure 25.0 cm3 of sodium hydroxide solution?",{"text":116,"@type":108},"A pipette should be used to measure 25.0 cm3.","https://schema.org",{"og:url":83,"og:type":119,"og:title":65,"og:site_name":90,"og:description":67},"article",{"robots":121,"canonical":83},"index,follow",{"doc_id":123,"site_id":62},207391,1788599377,{"code":4,"msg":5,"data":126},{"doc_id":123,"user_id":127,"nickname":87,"user_avatar":128,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":129,"file_id":130,"file_url":131,"file_type":132,"file_size":133,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":134,"language":135,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":136,"faqs":137,"seo_title":138,"seo_description":67,"update_tm":124,"read_time":139},1649267921044,"https://us-avatar.wpscdn.com/avatar/1800007509477c92dfb?_k=1786009248482753345","| Please write clearly in block capitals. |  |  |  |\n| --- | --- | --- | --- |\n| Centre number |  | Candidate number |  |\n| Surname  \u003Cbr>Forename(s)  \u003Cbr>Candidate signature  \u003Cbr>I declare this is my own work. |  |  |  |\n\nGCSE  \nCHEMISTRY  \nFoundation Tier Paper 1  \nF  \nMonday 22 May 2023 Morning Time allowed: 1 hour 45 minutes  \nMaterials  \nFor this paper you must have:  \n• a ruler  \n• a scientific calculator  \n• the periodic table (enclosed) .  \nInstructions  \n• Use black ink or black ball-point pen.  \n• Pencil should only be used for drawing.  \n• Fill in the boxes at the top of this page.  \n• Answer all questions in the spaces provided. Do not write outside the box around each page or on blank pages.  \n• If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number against your answer(s) .  \n• Do all rough work in this book. Cross through any work you do not want to be marked.  \n• In all calculations, show clearly how you work out your answer.  \nInformation  \n• The maximum mark for this paper is 100.  \n• The marks for questions are shown in brackets.  \n• You are expected to use a calculator where appropriate.  \n• You are reminded of the need for good English and clear presentation in your answers.  \n\n| For Examiner’s Use |  |\n| --- | --- |\n| Question | Mark |\n| 1 |  |\n| 2 |  |\n| 3 |  |\n| 4 |  |\n| 5 |  |\n| 6 |  |\n| 7 |  |\n| 8 |  |\n| 9 |  |\n| 10 |  |\n| 11 |  |\n| TOTAL |  |\n\n\n| \u003Cbr> 0  1  This question is about atoms.\u003Cbr>Atoms contain three types of particle:\u003Cbr>• electrons\u003Cbr>• neutrons\u003Cbr>• protons.\u003Cbr> 0  1  .  1 Which particle has no electrical charge? |  |  |\n| --- | --- | --- |\n| Tick ( 􀀹 ) one box.\u003Cbr>Electron\u003Cbr>Neutron\u003Cbr>Proton | | [1 mark] |\n|  0  1  .  2 Which particles have the same relative mass? |  |  |\n| 0 1 . 3\u003Cbr>Tick ( 􀀹 ) one box.\u003Cbr>An electron and a neutron\u003Cbr>An electron and a proton\u003Cbr>A neutron and a proton\u003Cbr>The formula of a compound is N2O\u003Cbr>\u003Cbr>[1 mark] |  |  |\n| How many of each type of atom are in one molecule of N2O?\u003Cbr>[2 marks]\u003Cbr>Nitrogen   Oxygen   |  |  |\n\nbox  \n\n|  |  |  |  |  | An atom of element Z contains:\u003Cbr>• 3 electrons\u003Cbr>• 4 neutrons\u003Cbr>• 3 protons.\u003Cbr>Give the name of element Z.\u003Cbr>Use the periodic table.\u003Cbr>[1 mark]\u003Cbr>Complete Figure 1 to show the position of the particles in an atom of element Z.\u003Cbr>Use the symbols:\u003Cbr> = electron\u003Cbr> = neutron\u003Cbr> = proton\u003Cbr>[4 marks]\u003Cbr>Figure 1\u003Cbr>\u003Cbr>Turn over for the next question | outside the\u003Cbr>box |\n| --- | --- | --- | --- | --- | --- | --- |\n|  | 0 | 1 | . | 4 |  |  |\n|  |  |  |  |  |  |  |\n|  | 0 | 1 | . | 5 |  |  |\n|  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |\n|  |  |  |  |  |  | 9 |\n|  |  |  |  |  |  |  |\n\nThere are no questions printed on this page  \nDO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED  \noutside the box  \n\n| \u003Cbr> 0  2  This question is about acids and alkalis.\u003Cbr>\u003Cbr> 0  2  .  1  Acids and alkalis are substances that produce ions in aqueous solution.\u003Cbr>Draw one line from each substance to the ion always produced by that substance in aqueous solution. |  |  |  |\n| --- | --- | --- | --- |\n| Substance\u003Cbr>|  | [2 marks]\u003Cbr>Ion always produced in aqueous solution\u003Cbr>Cl−\u003Cbr>H+\u003Cbr>|  |\n|  0  2  .  2 What type of aqueous solution has a pH of 11? |  |  |  |\n| Tick ( 􀀹 ) one box.\u003Cbr>Acidic\u003Cbr>Alkaline\u003Cbr>Neutral | |  | [1 mark] |\n| Question 2 continues on the next page |  |  |  |\n\nbox  \n\n| A student determined the reacting volumes of hydrochloric acid and\u003Cbr>sodium hydroxide solution by titration.\u003Cbr>This is the method used.\u003Cbr>1. Measure 25.0 cm3 of the sodium hydroxide solution.\u003Cbr>2. Add the sodium hydroxide solution to a conical flask.\u003Cbr>3. Add 3 drops of indicator to the sodium hydroxide solution.\u003Cbr>4. Add the hydrochloric acid drop by drop until the indicator changes colour.\u003Cbr>5. Record the volume of the hydrochloric acid added.\u003Cbr>6. Repeat steps 1 to 5 three more times.\u003Cbr> 0  2  .  3 Which piece of equipment should be used to measure 25.0 cm3 of the sodi","cbCaipNQBbp9UcGX","https://ap.wps.com/l/cbCaipNQBbp9UcGX","pdf",579325,36,"English","# Atoms and particle models\n## Particle charge and relative mass\n## Compound formula atom counting\n## Element identification and atomic diagrams\n# Acids and alkalis\n## Ions in aqueous solution and pH\n## Titration method and equipment\n## Anomalous result analysis\n## Concentration to mass calculation\n# Carbon and isotopes\n## Element vs compound classification\n## Isotopes and particle numbers","[{\"question\":\"Which particle in an atom has no electrical charge?\",\"answer\":\"The neutron has no electrical charge.\"},{\"question\":\"What type of aqueous solution has a pH of 11?\",\"answer\":\"A pH of 11 indicates an alkaline solution.\"},{\"question\":\"In the titration method, which piece of equipment should measure 25.0 cm3 of sodium hydroxide solution?\",\"answer\":\"A pipette should be used to measure 25.0 cm3.\"}]","GCSE CHEMISTRY Foundation Tier Paper 1 | PDF",91]