Ib chem - Study guides, Class notes & Summaries

IB Chemistry - Organic Chemistry (HL)

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...

IB Chem naming organic compounds Question and answers rated A+ 2023/2024Meth - correct answer 1 Eth - correct answer 2 Prop - correct answer 3 But - correct answer 4 Pent - correct answer 5

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

IB Chem Homologous Series Question and answers 100% correct 2023/2024 alkane - correct answer formula: C(n)H(2n+2) suffix: -ane halogenoalkane - correct answer formula: C(n)H(2n+1)X prefix: X-o-ane alkene - correct answer formula: C(n)H(2n) suffix: -ene alkyne - correct ans

IB Chem VSEPR theory HL Questions with complete solution 2023/20242 electron domains - correct answer linear 180 CO₂ 3 electron domains (all bonded) - correct answer trigonal planar 120° BF₃ greater repulsion: non-bonded or bonded pairs - correct answer non-bonded 3 electron domains (1 unbonded) - correct answer bent 117-118° NO₂ Angle removed by lone pair - correct answer 2-2.5°

IB CHEMISTRY EXAM LATEST UPDATE 2024/2025 QUESTIONS AND ANSWERS GRADED A+

Topic 5 IB Chem SL Questions with complete solution 2023/2024Open system - correct answer Most chemical reactions take place in an _____ _____ which can exchange energy and matter with the surroundings. Closed system - correct answer This can exchange energy but not matter with the surroundings. Enthalpy (H) - correct answer The heat content of a system is called its _____, a name which comes from the greek word 'heat inside'. When heat is added to a system from the surroundings this inc...