Ib chemistr - Study guides, Class notes & Summaries

IB Chemistry SL: Topic 4 Latest Updated Verified By Experts Ionic Bond ️️Electrostatic attraction between oppositely charged ions Covalent Bond ️️Electrostatic attraction between a pair of electrons and positively charged nuclei, formed as a result of electron sharing Metallic Bond ️️Electrostatic attraction between a lattice of positive ions and delocalized electrons Polyatomic ions ️️ions with more than one element e.g. CaCO3, Al(OH)3, Mg(NO3)2, (NH4)2SO4, Ba3PO4, Li...

first ionization energy - Ans the energy required to remove the first electron from an atom Why do first ionisation energies increase across a period? - Ans The number of protons increase with the same number of shielding shells Why do melting points decrease down a group? - Ans The ionic/atomic radius increase and there is a smaller charge density. State an equation for the reaction of phosphorus (V) oxide, P4O10 (s), with water. - Ans P4O10 (s) + 6H2O (l) → 4H3PO4 (aq

Stoichiometry - Ans The calculation of quantities in chemical reactions Atom - Ans the basic unit of a chemical element. Molecule - Ans A group of the same atoms bonded together Compound - Ans A substance made up of atoms of two or more different elements joined by chemical bonds Law of Conservation of Mass - Ans Matter is not created nor destroyed in any chemical or physical change

IB Chemistry Topic 10 Questions And Answers Graded A+ All ________ compounds contain carbon, but ____ ____ carbon containing compounds are _______. ️️organic, not all, organic Catenation ️️Carbon can form long chains and rings, linked by single, double, or triple bonds. Hydrocarbon ️️composed of only C and H atoms, the simplest organic compounds Empirical Formula ️️simplest whole number ratio of atoms in the compound Molecular formula ️️shows the actual number and ...

IB Chemistry Cumulative Final Exam Questions and Answers

IB CHEMISTRY SL UNIT 3 QUESTIONS AND ANSWERS (2023/2024) (VERIFIED ANSWERS)

IB CHEMISTRY - ORGANIC CHEMISTRY (HL) QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

IB Chemistry SL Functional Groups Questions And Answers Latest Update

Ib chemistry HL lates version graded A+ exothermic reaction ️️heat is released by the system ΔΗ<0 endothermic reaction ️️heat is absorbed by the system ΔΗ>0 standard enthalpy change of reaction(ΔΗ) ️️the heat energy transferred under standard conditions (pressure-101.3 kPa, temperature- 298 K) combustion and neutralization are exothermic processes ️️ average bond enthalpy ️️the energy required to break one mole of a certain type of bond in the gaseou...