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IB Chemistry SL Functional Groups UPDATED Exam Questions and CORRECT Answers
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Alkanes - Ans Functional Group: none 
Suffix: -ane 
Formula: C(n)H(2n+2) 
Alkenes - Ans Functional Group: alkenyl 
Suffix: -ene 
Formula: C(n)H(2n) 
Alkynes - Ans Functional Group: alkynyl 
Suffix: -yne 
Formula: C(n)H(2n-2)
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IB Chemistry - Functional Groups UPDATED Exam Questions and CORRECT Answers
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biomolecule - Ans a molecule that functions in maintaining and/or reproducing life 
hydrocarbon - Ans a compound consisting only of hydrogen and carbon 
saturated - Ans describes a hydrocarbon in which all carbon-carbon bonds are single bonds 
unsaturated - Ans describes a hydrocarbon containing carbon-carbon multiple bonds 
alkane - Ans another name for saturated hydrocarbons, alkanes have the general formula of 
C(n)H(2n+2)
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IB Chemistry SL UPDATED Exam Questions and CORRECT Answers
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relative atomic mass (Ar) - Ans weighted mean of all the naturally occurring isotopes of the 
element (g/mol) 
relative molar mass (Mr) - Ans sum of Ar (no units) 
mole - Ans 6.02x10^-23 
Empirical Formula - Ans shows the simplest whole number ratio of atoms of each element in a 
particular substance 
Molecular Formula - Ans shows the actual number of atoms of each element in a particular 
molecule or substance
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IB Chemistry: Stoichiometry UPDATED Exam Questions and CORRECT Answers
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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
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IB Chemistry UPDATED Exam Questions and CORRECT Answers
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exothermic reaction - Ans a chemical reaction in which heat is released to the surroundings 
heat - Ans Measure of total energy in a substance will depend on the amount. Always transfers 
or flows from a region of higher temperature to a region of lower temperature 
temperature - Ans the measurement of kinetic energy 
standard enthalpy of combustion - Ans the enthalpy change when one moles of substance is 
burned in excess oxygen under standard conditions
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IB Chemistry SL PASSED Exam Questions and CORRECT Answers
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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
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IB Chemistry exam test with 100% correct answers
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element - correct answera substance that cannot be broken down into simpler substances. 
 
atom - correct answersmallest part of an element. 
 
compound - correct answersubstance that contains more than one element. 
 
empirical formula - correct answerthis shows the simplest whole number ratio of atoms of each element in a particle of the substance. 
 
molecular formula - correct answershows the actual number of atoms of each element in a molecule of the substance. 
 
structural formula - corre...
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IB CHEMISTRY BUNDLED EXAMS QUESTIONS AND ANSWERS LATEST UPDATE
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IB Chemistry - Functional Groups 100% Correct

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Exam (elaborations)
IB Chemistry Unit 2 SL Latest Version Graded A+

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Exam (elaborations)
IB Chemistry Topic 10 Questions And Answers Graded A+

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IB Chemistry SL: Topic 4 Latest Updated Verified By Experts

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Exam (elaborations)
IB Chemistry Topic 5 latest update graded A+
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IB Chemistry Unit 2 SL Latest Version Graded A+
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IB Chemistry Unit 2 SL Latest Version 
Graded A+ 
Emission spectrum ️️An emission spectrum is produced when an atom moves 
from a higher to a lower level. 
The line emission spectrum of hydrogen provides evidence for __________________ 
which converge at _____________ ️️The line emission spectrum of hydrogen 
provides evidence for the existence of electrons in discrete energy levels which 
converge at higher energies. 
Continuous spectrum ️️All the colours / wavelengths present ...
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IB Chemistry Topic 10 Questions And Answers Graded A+
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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 ...
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