Chemistry as - Study guides, Class notes & Summaries

AQA A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Version: 1.0 Final *Jun* IB/M/Jun23/E8 7405/2 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 TOTAL Monday 19 June 2023 Afternoon Time allowed: 2 hours Materials For this paper you must have: • the Periodic Table/Data Booklet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions • Us...

ASCP chemistry ASCP EXAM 2023/2024 QUESTIONS AND ANSWERS ALL VERIFIED (A+ GRADED)

OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY GENUINE 2024 EXAM WITH ACCURATE ANSWERS FOR A+ GRADE. CHECK THE LAST PAGE FOR ANSWERS row shows the atomic structure of 37Cl –? protons neutrons electrons A 17 18 20 B 17 20 18 C 18 19 17 D 20 17 21 Your answer [1] 2 What is the formula of ammonium sulfide? A NH4S B NH4SO4 C (NH4)2S D (NH4)2SO4 Your answer [1] 3 Calcium nitrate, Ca(NO3)2, decomposes when heated, as shown below. Ca(NO3)2(s) → CaO(s) + 2N...

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CHEM 301 CHEMISTRY 301 INTRODUCTION TO BIOCHEMISTRY ASSIGNMENT 2 96%-100 MARKS WELL DONE. ATHABASCA UNIVERSITY

OCR AS LEVEL CHEMISTRY B (SALTERS) H033/01 FOUNDATIONS OF CHEMISTRY ACTUAL 2024 COMPLETE EXAM V1 WITH ACCURATE ANSWERS A+ GRADE ASSURED.CHECK LAST PAGE FOR ANSWERS 1 What is the outer subshell electron configuration of an element in Group 16 of the Periodic Table? A p4 B p5 C p6 D p16 Your answer [1] 2 Geiger and Marsden fired α-particles at a gold foil. What happened in their experiment? A The α-particles were scattered randomly. B Most α-particles passed through unde...

AQA AS Level Chemistry Paper 2 2023 QP & MARKSCHEME

AQA AS LEVEL CHEMISTRY 7404 JUNE 2023 PAPER 2 ORGANIC AND PHYSICAL CHEMISTRY FINAL MARKSCHEME

OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY ORIGINAL 2024 EXAM 100 % COMPLETE QUESTIONS AND ANSWERS A+ SCORE GUARANTEED.CHECK THE LAST PAGE FOR ANSWERS. 1 Which substance contains polar molecules? A C2H4 B CO2 C NCl 3 D SF6 Your answer [1] 2 What is the formula of silver carbonate? A AgCO3 B Ag(CO3)2 C Ag2CO3 D Ag3CO3 Your answer [1] 3 Which statement explains why ice is less dense than water? A Hydrogen bonds are stronger in ice than in water. B H...